Classical

Universe - Section 1

1:  

The densest planet of the solar system is

A.

Earth

B.

Jupiter

C.

Mercury

D.

Uranus

 
 

Option: A

Explanation :


2:  

The distance of the nearest star- besides the sun from the earth is

A.

4.9 x l011m

B.

9.5 x 15l5m

C.

2 light years

D.

4 light years

 
 

Option: D

Explanation :


3:  

Which .of the following "gases is most  predominant in the Sun?

A.

Helium

B.

Hydrogen

C.

Nitrogen

D.

Ozone

 
 

Option: B

Explanation :


4:  

The solar,wind is composed of

A.

outward stream ofpr:otons on the sun surface

B.

ionized gas

C.

plasma

D.

all of these

 
 

Option: D

Explanation :


5:  

'Lunar e.clipse does not occur' every month because

A.

The sun's orbit is not always in the same plane as the moon

B.

the moon revolves at"aslower speed than the earth

C.

the moon's orbit is not all the time in the same plane as the earth

D.

None of these

 
 

Option: C

Explanation :




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