Description: measurement of properties | |
Number of Questions: 109 | |
Created by: Ratna Goswami | |
Tags: matter around us chemistry some basic concepts of chemistry basic concepts of chemistry stoichiometry |
Which of the following measures pressure?
Barometer
Thermometer
Pycnometer
Parameter
Pressometer
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. Pressure tendency can forecast short term changes in the weather. Numerous measurements of air pressure are used within surface weather analysis to help find surface troughs, high pressure systems and frontal boundaries.
Which units of pressure are needed if you are going to use 0.0821 as your ideal gas constant?
Atmospheric
Torr
Psi
mmHg
Pascals
Gas constant = $0.0821 $ $L atm K^{−1} mol^{−1}$
Temperature is a measure of :
the average kinetic energy of the particles in a substance.
the average potential energy of the particles in a substance.
the highest amount of kinetic energy the particles in a substance have.
the number of particles a substance has.
the amount of heat a substance has.
Temperature is a measure of the average kinetic energy of the particles in a substance.
Value of Plank's constant is equal to:
$6.625 \times 10^{-34}$ J. sec.
$6.25 \times 10^{-34}$ J. sec.
$662.5 \times 10^{-34}$ J. sec.
none of these
The Planck's constant is named after the physicist Max Planck. It links the frequency of the electromagnetic wave of a photon to its amount of energy.
How many seconds are there in 3 days?
259200 s
172800 s
24800 s
72000 s
$1\ min=60\ s$
The least count of burette used normally is $x$ (in mL). The value of $10x$ is:
1
1.5
0.10
none of these
Normally least count of burette is $ 0.10 cm^3$.
What should be the volume of the milk (in $m^3$) which measures 5 L?
$5 \times 10^{-3} m^{3}$
$5 \times 10^{3} m^{3}$
$5 \times 1000 \ m^{3}$
$5 \times 10^{6} m^{3}$
Which of the following is not a basic physical quantity?
Length
Time
Density
Amount of substance
Basic physical quantities are those that are physical fundamental units. There are seven basic fundamental quantities: Length, mass, time, electric current, amount of substance, luminous intensity & temperature. The quantities which are derived with the help of these basic physical quantities are called derived quantities. They are density, volume, pressure, force, etc.
Which of the following is the non- derived unit?
Time
Mass
Length
All of the above
Non-derived units or fundamental units are the units which are used to derive other units. The fundamental units are length, mass, temperature, time, electric current, liminous & mole.
Match the following combinations of electrical units with their terms as single unit:
Electrical unit | Single unit |
---|---|
(I) ampere-second | A. coulomb |
(II) volt-ampere | B. ohm |
(III) volt-ampere$^{-1}$ | C. ampere |
(IV) walt/ampere ohm | D. watt |
(V) joule / ampere second | E. volt |
A- I B-III C-IV D-II E-V
A- I B-II C-III D-IV E-V
A- V B-IV C-III D-II E-I
A- I B-V C-IV D-II E-III
Electrical unit Single unit
(I) ampere-second coulomb
(II) volt-ampere Ampere
(III) volt-ampere$^{-1}$ Volt
(IV) walt/ampere ohm Ohm
(V) joule / ampere second Volt
So correct options are A- I B-III C-IV D-II E-V
Hence option A is correct.
The units of fundamental physical quantities are called
Fundamental units
Derived units
Both a and b
None of the above
The units of fundamental physical quantities are called fundamental units. They are length, mass and time.
Hence option A is correct.
Units of physical quantities can be expressed in terms of fundamental units and such units are called:
Fundamental units
Derived units
Both a and b
None of the above
Units of physical quantities can be expressed in terms of fundamental units and such units are called $\text{derived units}$.
Unit of area can be an example for derived unit. If $L$ is the length of the square then $L \times L$ is $L^{2}$ is its area. Hence, option A is correct.
Which of the following relationships are wrong?
$1 \,atm\approx 0.1 \, bar$
$1 \,liter= 1 \, dm^3$
$1\, J =0.239 \, cal$
$1\, eV =9.11 \times 10^{-4} J$
$1\quad atm=1.01325\quad bar\approx 1\quad bar\neq 0.1\quad bar$
One gram of mass is equal to:
$5\times { 10 }^{ 10 }erg$
$9\times { 10 }^{ 20 }erg$
$7\times { 10 }^{ 5 }erg$
$11\times { 10 }^{ 12 }erg$
$E=mc^2$
Which of the following are incorrect SI units?
Amount of substance in mol L$^{-1}$
Pressure of gas in pascal
Density of a solid in kg m$^{-3}$
Force in newton
The SI units is based on seven base units. These are metre, kilogram, second, ampere, kelvin, mole and candela.
Kelvin scale has:
no fixed points
one fixed point.
two fixed points
none of these
In Kelvin scale, temperature is expressed in Kelvin. In SI system, Kelvin is the unit of temperature. In this scale of temperature, zero of the scale corresponds to $-273^0C$, which is said to be the temperature at which the volume of a gas reduces to zero. Hence, $-273^0C$ is also known as the absolute zero. For the same reason, this scale of temperature is also known as absolute scale of temperature. On this scale, the lower fixed point i.e. the temperature of melting ice at normal pressure is +273K and the upper fixed point i.e. the temperature of boiling water at normal pressure is 373K.
What temperature scale must always be used when working gas law problems?
Celsius Scale
Kelvin Scale
Rankine Scale
Fahrenheit scale
Which temperature scale is the primary unit of measurement and analysis in the physical world?
Celsius Scale
Kelvin Scale
Fahrenheit Scale
None of these
The boiling point of water on the Kelvin scale is:
$373.15 K$
$273.15 K$
$373 K$
$374.15 K$
Mathematical relation for conversion of Temperature from Celsius scale to Fahrenheit scale is:
$F = \frac{ 5 }{ 9} C + 32$
$C = \frac{ 9 }{ 5 }F + 32$
$F =\frac{ 9 }{ 5 }C + 32$
$F =\frac{ 9 }{ 5 }C - 32$
Select the correct statement(s):
The celsius scale is the fundamental unit of the temperature scale.
Kelvin scale defined as $273.16$ of the triple point (equilibrium among the solid, liquid, and gaseous phases) of pure water.
It is defined as $\frac{ 1 }{ 273.16}$ of the triple point (equilibrium among the solid, liquid, and gaseous phases) of pure water.
None of these
Options A and B are incorrect. The Kelvin scale is the fundamental unit of the Temperature scale. It is defined as $\frac{ 1 }{ 273.16 }$ of the triple point (equilibrium among the solid, liquid, and gaseous phases) of pure water. Hence, option C is correct.
A solution of hydrochloric acid is required for an experiment. The experimenter must first prepare the solution for use by diluting $10.0 mL$ of the hydrochloric acid to create $200 mL$ of the solution.
Which of the following would be the poorest choice of glassware for measuring the solute for the dilution?
A graduated cylinder
A volumetric flask
A burrette
A volumetric pipette
Thermometer that can measure rapidly changing temperature is:
Mercury-in-glass thermometer
Alcohol-in-glass thermometer
Platinum resistance thermometer
Thermocouple thermometer
Thermometer that can measure rapidly changing temperature is thermocouple thermometer.
Advantages of a thermocouple thermometer:
(a) Easy to read by using a pointer or a digital display.
(b) Wide range of temperature $- 200^oC to 1600^oC$
(c) It has has a small thermal capacity and is used to measure rapidly changing temperatures.
Centigrade or Celsius scale can be converted into Kelvin scale by which of the following formula?
$^oC =$ Temperature in Kelvin $+ 273.15$
$^oC =$ Temperature in Kelvin $ - 273.15$
$^oC =$ Temperature in Fahrenheit $+ 273$
$^oC =$ Temperature in Fahrenheit $ - 273$
Zero on the Celsius scale $(0^0C)$ is now defined as the equivalent to $273.15K$, with a temperature difference of $1\ ^o C$ equivalent to a difference of $1\ K$, meaning the unit size in each scale is the same.
1 atm equals to:
1 torr
76 torr
760 torr
100 torr
What is the correct unit for the following solution?
$w/w$
$m$
$M$
$v/v$
$ppm$
0.5 mg of arsenic dissolved in 1 kg of solution. Both of the solute and solvent are given in terms of mass.
Which of the following can be expressed as grams per milliliter?
Boiling point
Rate of reaction
Molecular mass
Molarity
Density
Boiling point is expressed in kelvin, molecular mass in kilograms, molarity in moles per litre, rate of reaction in moles per litre per second and density in grams per litre or milliltre.
Convert $3,200\mu g$ to grams.
$3.2g$
$0.0032g$
$3,200,000g$
$3,200,000,000g$
$0.0000032g$
Solution:-
$10^{3}$ stands for :
milli-
kilo-
centi-
micro-
nano-
Statement 1: $-273^0C$ is also known as absolute zero.
Statement 2: $^0C = K + 273 $.
Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
Both the Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.
Statement 1 is correct but Statement 2 is not correct.
Statement 1 is not correct but Statement 2 is correct.
Both the Statement 1 and Statement 2 are not correct.
Absolute zero, temperature at which a thermodynamic system has the lowest energy. It corresponds to $−273^oC$ $ ( 0 K)$.
Celsius scale is 273 greater in value than Kelvin scale.
$^0C = K - 273$
$10^{-6}$ stands for :
milli-
kilo-
centi-
micro-
nano-
milli- $\displaystyle 10^{-3}$
kilo- $\displaystyle 10^{3}$
centi- $\displaystyle 10^{-2}$
micro- $\displaystyle 10^{-6}$
nano- $\displaystyle 10^{-9}$
SI Unit for mass is :
Newton
Ounces
Stones
Kilogram
SI unit of mass is Kilogram which is in MKS system.
$10^{-9}$ cm is equal to :
1 milli- cm
1 kilo- cm
1 centi- cm
1 micro- cm
1 nano- m
The base unit for the length in metric system is :
cm
m
in
yd
Metre $(m)$ is the basic unit of length in metric system.
Temperature of hot red iron is $58^{\circ}$ F. If the temperature increases by $20^{\circ}$ F, what is its temperature now in kelvin?
298.5
300
273
$-$80
Temperature after heating $= 58 + 20 = 78^0F$
Temperature in Kelvin $= (F - 32) \div 1.8 + 273$
$= (78-32) \div 1.8 +273$
$= 46 \div 1.8 + 273$
$= 25.55 + 273$
$= 298.5$ K
In the metric system, the prefix kilo-means :
$10^0$
$10^{-1}$
$10^{-2}$
$10^2$
$10^3$
In the metric system, the prefix kilo-means $\displaystyle 10^3$.
For example, 1 kg is equal to $\displaystyle 10^3 g$.
1 km is equal to $\displaystyle 10^3 $ m.
What is the temperature of water in kelvin if the water is at $44^{\circ}C$ ?
330
317
229
230
Temperature in$ K$ = Temperature in $^{\circ}C + 273$
Convert $-679^{\circ}$ F to celsius.
412.24
$-$395
963
$-$400
We know, $\boxed { { }^{ 0 }C=\left( { }^{ 0 }F-32 \right) \times \frac { 5 }{ 9 } } $
Convert $30^oC$ to Kelvin scale.
323K
313 K
303 K
293 K
To convert from Celsius scale to Kelvin scale, we add 273 to Celsius scale. So, $30 + 273 = 303\ K$
The centigrade $(^0 C)$ scale can be converted into Kelvin scale by the formula:
Temperature in Kelvin + 273
Temperature in Kelvin - 273
Temperature in Fahrenheit + 273
Temperature in Fahrenheit - 273
The temperature T in Kelvin (K) is equal to the temperature T in degrees Celsius $\displaystyle \left( ^{ \circ }{ C } \right) + 273$:
Convert 44 K into Celsius scale.
$-233^oC$
$-229^oC$
$-212^oC$
$-239^oC$
To convert from Kelvin scale to Celsius scale, subtract 273 from Kelvin scale, so $44-273=-229^oC$.
What is the physical state of water at $-20^{\circ}C$?
Solid
Liquid
Gas
None of the above
Water at $-20^{\circ}C$ is ice so it is in solid state. It freezes at $0^{\circ}C$.
On Celsius scale, $0$ Kelvin is equal to:
$273^0C$
$0^oC$
$-273^oC$
$-373^oC$
To convert from Kelvin scale to Celsius scale, subtract 273 from Celsius scale.
The international standards of weight and measures are made of:
gold silver alloys
platinum - iridium alloys
copper - gold alloys
platinum - iron alloys
Electron Volt is a unit of:
Potential difference
Energy
Charge
Velocity
The electron volt (symbol eV; also written electronvolt) is a unit of energy equal to approximately 1.602$\times$10$^{−19}$ joule (SI unit J).
Parsec is the unit of:
Speed
Time
Distance
None of the above
Weight of a body is:
constant
not constant
does not change from place to place
both A and C
Mass of a body is constant whereas weight of a body depends on the acceleration due to gravity at that point. Therefore, weight of body is not constant & varies from place to place.
If the temperature of a water bath is $104^{0}\ F$ then its value in degree Celsius scale will be?
$35^{0}C$
$45^{0}C$
$50^{0}C$
$40^{0}C$
Conversion from Fahrenheit to Celsius
$mol.kg^{-1}$ is the unit of :
Momentum
Velocity
Pressure
Molality
$1^oC$ rise in temperature is equal to a rise of
$1^oF$
$9/5^oF$
$5/9^oF$
$33^oF$
The prefix femto stands for :
$10^9$
$10^{-12}$
$10^{-15}$
$10^5$
$1^{\circ}C$ rise in temperature is equal to rise of:
${ 1 }^{ 0 }F$
${ 9/5 }^{ 0 }F$
${ 5/9 }^{ 0 }F$
${ 33 }^{ 0 }F$
Solution:- (B) $\cfrac{9}{5} ℉$
The prefix zepto stands for:
$10^9$
$10^{-12}$
$10^{-15}$
$10^ {-21}$
Zepto = $10^{-21}m$ .
Which of the following is the correct value of $R$ in $SI$ units?
$0.083$ $bar$ $dm^{3}K^{-1}mol^{-1}$
$1.98\ cal K^{-1}mol^{-1}$
$8.314\times 10^{7} erg K^{-1}mol^{-1}$
$8.314 J\ K^{-1}mol^{-1}$
$R$ is called as universal gas constant or molar gas constant.
Which of the following has the highest numeric value?
$100$ Tm
$1000$ Gm
$10^4$ mm
$10^6$ nm
$100\ Tm=100000\ Gm$
If $T _1$ and $T _2$ are two temperatures, which of the following expressions will yield the same value whether both temperatures are given in Celsius or Kelvin?
$T _1+T _2$
$T _1-T _2$
$T _1\times T _2$
$\dfrac{T _1}{T _2}$
Weight of diamonds are measured in________.
aunce
Kg
carats
pounds
One carat is equal to exactly $0.2$ grams.
Atomic radius is expressed in the _______ units.
angstrom
cm
m
nm
Atomic radius is usually expressed in Angstrom units. It is because the size of atom is very small. It is equivalent to $1\times {10}^{-10}$metres.
Mark the conversion factor which is not correct.
1 atm $= 1.01325 \times 10^5 \ Pa$
1 metre $= 39.37\ inch$
1 litre $= 10^{-3}\ m^3$
1 inch $= 3.33\ cm$
A. 1 atm = $1.01325 \times 10^5\ Pa$
Which of the following is wrong?
1 inch = 2.54 cm
1 foot = 3.305 m
1 mile = 1.609 km
1 lb. = 453.59 gm
Answer is option $B$.
Energy spent in kilowatt-hour $=\cfrac {volt \times...........\times......}{1000}$.
ampere, hour
ohm,min
ampere,min
joule,hour
Energy = Work done $(in\ Watt) = Power\times time = Voltage \times current \times time$
Watt
Kilo Watt hour
Watt/ hour
Ohm
The kilowatt-hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.
Which of the following is not a basic physical quantity?
Length
Force
Time
Amount of substance
The physical property of a body, substance or phenomenon that can be quantified by measurement is defined as a physical quantity.
The amount of heat energy released when a fuel burns completely is called calorific value.
True
False
Nither
Either
$298 K$ is what temperature in Fahrenheit?
$76.73F$
$80F$
$75F$
$27F$
${ T } _{ K }={ (T } _{ F }+459.67)\times \frac { 5 }{ 9 } \ \Rightarrow 298={ (T } _{ F }+459.67)\times \frac { 5 }{ 9 } \ \Rightarrow \frac { 298\times 9 }{ 5 } -459.67={ T } _{ F }\ \Rightarrow { T } _{ F }=536.4-459.67={ 76.73 }^{ 0 }F$
Which of the following is the correct unit for measuring nuclear radii?
Micron
Millimetre
Angstrom
Fermi
$\text{Nuclear radii are measured in Fermi ie. }$$10^{-15}$
SI unit of energy is:
$kg\, m^2 s^{-2}$
$kg\, m^{-1} s^{2}$
$kg\, m^2 s^{-1}$
$kg\, m^2 s^{2}$
The power required to do work by the application of force is energy.
The prefix of $10^{18}$ is:
giga
exa
kilo
nano
mega
The prefix of ${ 10 }^{ 3 }=$ kilo
Prefix giga means:
$10^{-9}$
$10^{9}$
$10^{6}$
$10^{-6}$
The prefix of ${ 10 }^{ -9 }=$ nano
298 K is approximately what temperature in degrees Celsius?
$25^oC$
$24^oC$
$29^oC$
$27^oC$
Zero on the Celsius scale $(0^0C)$ is now defined as the equivalent to $273.15K$, with a temperature difference of $1^0C$ equivalent to a difference of $1K$, meaning the unit size in each scale is the same.
Unit of J $pa^{-1}$ is equivalent to:
$m^3$
$cm^3$
$dm^3$
none of these
J/Pa = Work/Pressure = Nm/Nm-2 = m3
Convert $48.50mL$ to liters.
$0.4850L$
$4850L$
$0.04850L$
$0.00004850L$
$4.850L$
We know that the 1 mL is equals to 0.001 L
Name and unit are listed, which is NOT correctly written?
Torr and pressure
Mass and grams
Heat energy and kilopascals
Volume and milliliter
Temperature and Kelvin
Unit of Heat energy is joule ($J$) not kilopascals. kilopascal is unit for pressure.
Which of the following is not a conversion factor?
12 eggs = 1 dozen
30 lbs.
60 miles per hour
1 km/1,000 m
4 apples per week
Conversion factor involves same units. For example, length can be converted to length only, time to time only, etc.
SI unit for time is :
minutes
hours
seconds
days
SI unit of time is seconds.
Which temperature is hottest?
$17^oC$
$58^o F$
$290 K$
$16^o C$
$10^{-12}$ is called :
Terra
Pico
Giga
Mega
$10^{-12}$ is called as pico.
Which is correct option about the prefix centi is:
One thousand
One thousandth
One hundred
One hundredth
One million
Selected Prefixes and Their Meanin
G | billions (U.S.) | giga |
---|---|---|
M | Million | mega |
k | thousand | kilo |
h* | hundred | hecto* |
da* | ten | deka* |
d* | tenth | deci* |
c* | hundredth | centi* |
m* | thousandth | milli |
$\mu$ | millionth | micro |
n | billionth (U.S.) | nano |
What is the density of a metal which has a mass of $15g$ and a volume of $2mL$?
$7.5$
$17$
$0.15$
$13$
$30$
$Density= \cfrac {mass}{volume}= \cfrac {15g}{2ml}= 7.5\quad g/ml$
To convert Celsius scale to Kelvin scale:
add $273$ to Celsius scale
subtract $273$ from Celsius scale
multiply $273$ with Celsius scale
divide $273$ by Celsius scale
To convert from Celsius scale to Kelvin scale, add 273 to Celsius scale.
The S.I. unit of weight is:
kilogram
gram
newton
milligram
The S.I. unit of weight is newton since weight is the reaction force of an object due to gravity.
To convert Kelvin scale to Celsius scale:
add $273$ to Kelvin scale
subtract $273$ from Kelvin scale
multiply $273$ with Kelvin scale
divide $273$ by Kelvin scale
What is the physical state of water at $125^{\circ} C$?
Solid
Liquid
Gas
None of the above
Water boils at $100^{\circ}C$ and it converts into vapour above this temperature.
Convert $100^oC$ to kelvin :
$273$
$373$
$473$
$573$
The formula for conversion of centigrade unit to kelvin is :
The atmospheric pressure at sea level is:
1 atm
10 atm
100 atm
1 pascal
The atmospheric pressure at sea level is 1 atm.
The S.I. unit of length is:
metre
kilometre
foot
yard
The S.I. unit of length is metre.
Convert $-273^oC$ to Kelvin scale.
0 K
273 K
300 K
5 K
To convert from the Celsius scale to the Kelvin scale, we add $273$ to the Celsius scale. So, $-273+273=0\ K$
What is the physical state of water at $30^{\circ} C$?
Solid
Liquid
Gas
None of the above
Water at $30^{\circ}C$ is liquid and it remains in liquid state from $0^{\circ}C$ to $100^{\circ}C$.
The S.I. unit of temperature is:
kelvin
celsius
fahrenheit
None of the above
The SI unit of temperature is kelvin.
What is the S.I unit of volume?
cubic centimeter
cubic meter
cubic foot
cubic millimeter
The S.I unit of volume is cubic meter $(m^3)$.
The SI unit for force is:
Torr
Newton
Joule
Dyne
Force is the product of mass and acceleration
Our body temperature is maintained at :
${20 ^ 0C }$
${41 ^0 C}$
${37 ^0 C}$
${11^0 C}$
Our body temperature is maintained at $37^\circ C$ or $98^\circ F$ on an average. Our body has thermo-regulation mechanism that keeps the body at optimum operating temperature. Water plays an important role in this mechanism.
The S.I unit of mass is ___________.
kilogram
gram
decigram
milligram
The S.I unit of mass is kilogram (kg).
The S.I. unit of pressure is:
pascal
atm
newton
None of the above
The SI unit of pressure is pascal. Newton is the unit of force and atm is not the S.I. unit of pressure.
One atmosphere is numerically equal to approximately:
${ 10 }^{ 6 }\quad dyne\quad { cm }^{ -2 }$
${ 10 }^{ 2 }\quad dyne\quad { cm }^{ -2 }$
${ 10 }^{ 4 }\quad dyne\quad { cm }^{ -2 }$
${ 10 }^{ 8 }\quad dyne\quad { cm }^{ -2 }$
$P _{dyne/cm^2}=P _{atm}\times 1.01325\times 10^6$
SI unit of temperature is ________ .
$K$
$^oC$
$^oF$
u
SI unit of temperature is Kelvin because Kelvin was the the first person to suggest using Kelvin in thermodynamic temperature scale.
A volume of ${ 1m }^{ 3 }$ is equal to ?
${ 1000\quad cm }^{ 3 }$
${ 100\quad cm }^{ 3 }$
${ 10\quad dm }^{ 3 }$
${ 10 }^{ 6 }{ cm }^{ 3 }$
The greatest of the combination is?
$(9.0\pm 0.3)$ S.I unit
$(9.0\pm 0.2)$ S.I unit
$(9.0\pm 0.1)$ S.I unit
$(9.0\pm 0.5)$ S.I unit
S.I unit for the coefficient of viscosity is equal to?
$Nm^{-1}s$
$Pa s^{-1}$
$Nm^{-2} s$
$Pa s^{-2}$
The temperature of absolute zero is _______
$273.15^{0}C$
$0^{0}C$
$-373^{0}C$
$-273.15^{0}C$
The temperature of absolute zero is $T=t+273.15$
One fermi is?
$10^{-15}$ cm
$10^{-13}$ cm
$10^{-10}$ cm
$10^{-12}$ cm
One fermi = $10^{-15}m = 10^{-13}cm$ .
Which one of the following temperatures is approximately equal to "room temperature ?"
$0\ K$
$293\ K$
$100$ Degree Celsius
$0$ Degree Celsius
The symbol of S.I unit of amount of substance is:
mole
density
equivalent weight
molecular weight
Mole is used to represent the amount of a substance. For an element or a compound, mole is given by
Unit of luminous intensity is:
mole
candela
kelvin
ampere
Luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle.
What is the SI unit of mass?
kg
LBS
Pounds
None of these
The S.I unit of atmospheric pressure is :
$L\ atm$
$N/m$
$Pascal$
None of these
The S.I unit of atmospheric pressure is $N/m^2$ or $Pascal$.
The standard temperature is:
$273^0C$
$273K$
$-273K$
$23K$
The standard temperature is considered to be $273K$
Among the following, the highest value of prefix is:
yocto
deca
giga
yotta
Yocto= $10^{-24}$, Deca= $10^1$