Tag: planets

Questions Related to planets

Which of the following is the smallest planet?

  1. Jupiter

  2. Venus

  3. Mercury

  4. None of the above


Correct Option: C
Explanation:

Mercury is the smallest planet.

The globe of Saturn can contain about

  1. 150 Earths

  2. 472Earths

  3. 355 Earths

  4. 729 Earths


Correct Option: D
Explanation:

Radius of Saturn is about $9$ times than that of earth.

Let, n number of earths a saturn contains. So equating volume.
$n{ V } _{ earth }={ V } _{ saturn }\ n\times \cfrac { 4 }{ 3 } \pi { r }^{ 3 }=\cfrac { 4 }{ 3 } \pi { (9{ r }) }^{ 3 }\ n={ 9 }^{ 3 }\ n=729$

Reflection of the sunlight from the upper layers of the Earth's atmosphere causes

  1. days and nights

  2. tides

  3. eclipses

  4. twilight


Correct Option: D
Explanation:

Twilight is seen because the earth's atmosphere, some light scatters through small particles in the atmosphere- so, there is still some light n the sky even after the sun  has gone down.


Which of the following doesn't belong to the class of superior planets?

  1. Venus

  2. Neptune

  3. Uranus

  4. Mars


Correct Option: A
Explanation:

Superior planets are those planets which is farther from the earth than the Sun. Except Mercury and Venus rest are superior planets.

Mass of Jupiter is ........... times that of Earth.

  1. 318

  2. 195

  3. 95

  4. 0.8


Correct Option: A
Explanation:

Mass of the planet jupiter is about $318$ times than that of earth.

The planet having the largest diameter is

  1. Jupiter

  2. Saturn

  3. Pluto

  4. Mars


Correct Option: A
Explanation:

Jupiter is the largest planet in the universe its diameter is about $1.3\times { 10 }^{ 5 }$km.

Venus appears very bright because it reflects about ....... percent of the light which it receives from the Sun.

  1. 50

  2. 60

  3. 75

  4. 100


Correct Option: C
Explanation:

First of all venus is very close to earth so very less amount of light gets scattered by atmosphere particles and second thing is it reflects $75\%$ of the light coming from sun.

The planet farthest from the Earth is

  1. Pluto

  2. Mercury

  3. Neptune

  4. Saturn


Correct Option: A
Explanation:

According to recent astronomical data pluto is the planet which is at the farthest distance from earth.

A planet shines because it reflects the light of the

  1. sun

  2. other planets

  3. milky way

  4. pole star


Correct Option: A
Explanation:

A planet signs because it reflects the light coming from the sun.

The smallest planet in the solar system is ___________.

  1. Mars

  2. Jupiter

  3. Mercury

  4. Earth


Correct Option: C
Explanation:

The smallest planet in the solar system is  mercury.

Ans: Mercury