Classical

Universe - Section 1

16:  

Lunar Sea refers to

A.

A small sea on the moon

B.

A sea on earth which experiences high tides due to gravitational attraction of the moon

C.

A dark plain on the moon

D.

A large water body iIluminated by the moon light

 
 

Option: C

Explanation :


17:  

The light coming fro," stars gives the idea of their'

A.

size

B.

rotational speed

C.

mass

D.

density

 
 

Option: B

Explanation :


18:  

The correct seqllence of planets in'the descending order of their equatorial diameter is

A.

Mars,Pluto, Uranus, Earth

B.

Earth, Mars, Pluto Uranus

C.

Pluto, Uranus, Mars, Earth

D.

Uranus, Earth, Mars, Pluto

 
 

Option: D

Explanation :


19:  

The constellations of stars appear at different positions in the sky at different times during night mainly

A.

because earth rotates about.its axis

B.

because Earth revolves round-the sun

C.

because of optical illusion

D.

because celestial bodies are changing their positions all the time'

 
 

Option: A

Explanation :


20:  

Lunar eclipse is caused when the

A.

moon comes between the sun and the"earth

B.

earth comes between the sun and the moon

C.

sun comes between the earth and the moon

D.

None of these

 
 

Option: B

Explanation :




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