Tag: solar system and sun

Questions Related to solar system and sun

Spinning speed of the earth is ___________.

  1. $0.5km$ ${s}^{-1}$

  2. $1.5km$ ${s}^{-1}$

  3. $2km$ ${s}^{-1}$

  4. $2.5km$ ${s}^{-1}$


Correct Option: A
Explanation:

Spinning speed of earth is $0.5km/sec$

Ans: $0.5km/sec$

Arrange the following planets in the increasing order of their distance from the sun :
(a) The earth
(b) Mars
(c) Venus
(d) Saturn

  1. c a b d

  2. a b c d

  3. d c b a

  4. b a c d


Correct Option: A
Explanation:

Ans: c,a,b.d

Venus, The Earth, Mars, Saturn

Which among the following is known as red planet?

  1. Mars

  2. Earth

  3. Mercury

  4. Venus


Correct Option: A
Explanation:

Mars is known as red planet.

Ans: Mars

The most massive planet in the solar system is _______ .

  1. Saturn

  2. Earth

  3. Venus

  4. Jupiter


Correct Option: D
Explanation:

The Jupiter is the most massive planet in the solar system. It is 300 times bigger than the earth.

The only natural satellite in the solar system which has its own atmosphere is:

  1. Europa

  2. Moon

  3. Titan

  4. Callisto


Correct Option: C
Explanation:

Saturn moon also known as Titan is largest moon of Saturn and is only known to have a dense atmosphere and also the only object other than Earth and also the only object other than Earth were clear evidence of stable bodies of surface liquid have been found.

Arrange the following according to the specific gravity of them in ascending order.
a)Saturn
b)Venus
c)Jupiter
d)Mars

  1. c,a,b,d

  2. a,c,d,b

  3. a,b,c,d

  4. d,c,b,a


Correct Option: B
Explanation:

Specific gravity is measure to the density of the planet.

${ \rho  } _{ Saturn }<{ \rho  } _{ Jupiter }<{ \rho  } _{ Mars }<{ \rho  } _{ Venus }$
So answer is a,c,b,d

The second biggest planet of the solar system has:

  1. lowest density

  2. density equal to water

  3. highest density

  4. density equal to earth


Correct Option: A
Explanation:

Second biggest planet in the solar system is Saturn.

Saturn has the lowest density.

Identify me:
I am having frozen carbon dioxide near the poles which look like caps.
I have two natural satellites.
I take 687 days to move once around the Sun.
I am rich in iron oxide.

  1. Jupiter

  2. Mars

  3. Uranus

  4. Pluto


Correct Option: B
Explanation:

These all are the properties of Mars.

$\longrightarrow $ Iron oxide Rich
$\longrightarrow $Revolution time $67$ days
$\longrightarrow $ two moon
$\longrightarrow $ frozen carbon dioxide
Answer is Mars.

Polar ice caps of the planet mars are due to the:

  1. solidified carbon dioxide

  2. volcanoes erupted near the poles

  3. cover of dust particles that reflects light

  4. solidified water


Correct Option: A
Explanation:

During the winter freezing time the polar region are covered by caps which is of water, and carbon dioxide. They appear white.

Heat waves are trapped to the maximum extent on which planet?

  1. Mercury

  2. Earth

  3. Venus

  4. Neptune


Correct Option: C
Explanation:

Venus due to the presence of Carbon dioxide in large amount.