Physics · General Awareness

Physics Measuring Instruments

1,180 Questions

Physics measuring instruments are essential tools used to measure various physical quantities. This topic covers devices like hygrometers, oscilloscopes, and sphygmomanometers. It is a highly scoring section in general science and general awareness examinations.

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Physics Measuring Instruments Questions

Multiple choice physics pressure in fluids and atmospheric pressure hydraulic equipment applications of pascals law examples of hydraulic press

In a vacuum suspended unit, when the brakes are on , the piston and diaphragm has on both sides of it

  1. Atmospheric pressure

  2. Vacuum

  3. Hydraulic pressure

  4. Air pressure
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a vacuum suspended unit, when the brakes are on , the piston and diaphragm has on both sides of it Atmospheric pressure.

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Which tool can be used to make precise measurements of varying volumes?

  1. Beaker

  2. Graduated cylinder

  3. Volumetric flask

  4. Test tube
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Beaker can be used to make precise measurements of varying volumes. A beakes is basically a broad cylindrical container with a flat bottom. It has a small spout to aid pouring. It also has some graduations for measurement of liquid.

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Which one of the following commonly used in the laboratory in a filtration setup?

  1. Balance

  2. Barometer

  3. Condenser

  4. Funnel

  5. Pipette
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Filtration is a technique that is used to either remoue solid impurites from an inorganic sdution or $two$ isolate an organic solid.

Thus, filtration setup involves a filter paper placed in a filter funnel. Therefore, funnel is used in filtration. A funnel is basically a tube or a pipe that is wide at the top and is narrow at the bottom. It is used for guiding a liquid or powder into into a small openning.

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Which one of the following is used in the laboratory to transfer exact volume of liquid from one tube to another tube?

  1. Balance

  2. Barometer

  3. Condenser

  4. Funnel

  5. Pipette
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

$\rightarrow $ Pipette is a laboratory tool in chemistry to transfer exact volume of liquid from one tube to another.

$\rightarrow $ Balance is used to measure the weight of substance.
 $\rightarrow $ Barometer is used to measure atmospheric pressure.
$\rightarrow $ Condenser $\rightarrow $ used to cool hot gases into liquids.
$\rightarrow $ Funnel $\rightarrow $ used to remove fine particles from liquid using filter paper.

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Which piece of laboratory equipment is used to make precise measurement of only one volume?

  1. Beaker

  2. Graduated cylinder

  3. Volumetric flask

  4. Test tube

  5. Eudiometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Volumetric flasks are used to measure volume of liquids .  The liquid has accurate volume when the solution reaches to the corresponding marking on the scale. Volume is usually indicated in mL. During measurement of the volume the vessel must be placed on an even, horizontal support. The required volume is measured when the lower edge of meniscus of the liquid just touches the marking on the vessel.

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Of the equipment listed below, which one would be more suitable to read a meniscus?

  1. $100\ mL$ beaker
  2. $500\ mL$ flask

  3. Watch glass
  4. $50\ mL$ buret

  5. Trough
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Buret is a graduated glass tuble with a top at one end, for delivering volumes of liquid. Since, it is graduated, it is most suitable for reading a meniscus.

A meniscus is basically a liquid seen at the top of a liquid. It can be concave or convex. depending on the surface tension of the liquid and adhesson to the wall of the container..  

Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

Which piece of laboratory is used to make precise measurements for the volume of a gas collected over water?

  1. Beaker

  2. Graduated cylinder

  3. Volumetric flask

  4. Test tube

  5. Eudiometer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Graduated cylinder is measuring cylinder used to measure the volume of liquid or gas. It has a narrow cylinderial shap. Each marks as line/graduations in cylinder represents the amount of the liquid or gas that has been measured. Thus, it can be used to make precise measurements for the volume of gas collected over wales.

Multiple choice physics electromagnetic forces oersted experiment oersted's experiment magnetic field due to a straight current carrying conductor

Thermistor material is pressed ________

  1. under zero pressure

  2. under low pressure

  3. under high pressure

  4. under low volume
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A thermistor material is usually pressed under high pressure to form a flat cylindrical shape. Disks and washers are placed in series or in parallel to increase the power dissipation.

Multiple choice

The word thermometer means...

  1. a sudden violent wind often with rain or snow

  2. having leaves that stay green through more than one growing season

  3. an instrument for measuring temperature

  4. a hanging piece of ice formed from dripping water as it freezes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A thermometer is the standard instrument used to measure temperature.

Multiple choice chemistry the particle theory atmospheric pressure and boiling point evaporation - factors and effects in daily life changes in physical state - boiling, evaporation and condensation

Pressure can be measured by using Mercuric as well as Aneroid barometer.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In 1643 Torricelli made an instrument for measuring atmospheric pressure. This device is called a barometer. This barometer can be either mercuric or aneroid barometer. 

Multiple choice geography precipitation elements of weather and climate :rainfall and air pressure forms of precipitation moisture in atmosphere

Rainfall is measured by precise instrument called as _____________.

  1. Rain meter

  2. Rain gauge

  3. Rain tube

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rainfall is measured by a precise instrument called Rain gauze. It determines the depth of precipitation that occurs over a unit area. Thus, it measures rainfall. One liter of rainfall per meter squared is equivalent to one millimeter of measured precipitation. A funneled aperture of 150-170 cm is found in standard rain gauges. They are designed as a simple passive collector. A graduated measuring glass is used for determining the amount of precipitation.

Multiple choice geography precipitation elements of weather and climate :rainfall and air pressure forms of precipitation moisture in atmosphere

In India, which scale is more used for temperature measurement?

  1. Centigrade scale

  2. Fahrenheit scale

  3. Kelvin scale

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Temperature is measured based on the freezing and boiling points of water. In 1948 the Centigrade scale renamed it the "Celsius" temperature scale and most countries use the Celsius scale. Indian, and several other countries, use the Fahrenheit system of temperature measurement mainly because from the British time only Fahrenheit thermometers were available in India. It is only after the invasion of Chinese thermometers that we have flat ones that show both centigrade/ Fahrenheit scale.

Multiple choice geography precipitation elements of weather and climate :rainfall and air pressure forms of precipitation moisture in atmosphere

Which instrument is used to measure the degree of heat of our body?

  1. Thermogram

  2. Thermometer

  3. Isotherm

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Degree of the heat of our body is known as temperature. The instrument which is used to measure the temperature is known as a thermometer. Thermometers are of two types:

  • Clinical thermometer and Laboratory thermometer. They have different markings, but they work in the same way.  In the thermometer, a glass tube is filled with mercury. Mercury is used to measure temperature because it changes from a solid to liquid very easily.
Multiple choice geography precipitation elements of weather and climate :rainfall and air pressure forms of precipitation moisture in atmosphere

The uses of thermometer are ________________________.

  1. they are used for measuring the temperature of the atmosphere

  2. they are used to measure the temperature of body

  3. Both A and B

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The instrument which is used to measure the temperature is known as thermometer. Thermometers are of two types:

  • Clinical thermometer and laboratory thermometer. Clinical thermometer is used for measuring the temperature of body and laboratory thermometer is used for measuring the temperature of atmosphere. They have different markings, but they work in same way.  In the thermometer, glass tube is filled with mercury. Mercury is used to measure temperature because it changes from a solid to liquid very easily.