Classical

Universe - Section 2

6:  

Tides are caus,ed by'the,gravitational pull of the

A.

Earth on ihe Moon

B.

Earth on the Sun

C.

Sun and the Moon on the Earth.

D.

Moon on the Earth

 
 

Option: C

Explanation :


7:  

Halley's comet appears once in a period. of

A.

24 years

B.

32 years

C.

76 years

D.

84 years

 
 

Option: C

Explanation :


8:  

The tail ofth6Comet is much,largerthan jts Qead. The lengtr of the tail is approximately

A.

2OO· 300 km

B.

20,000.· 30,000 km

C.

2,00,00,000·3,00,00,000 km'

D.

2,00,000 - .3,OO,OOO km

 
 

Option: C

Explanation :


9:  

The outermost layer of Sun is called

A.

Lithosphere

B.

Photosphere

C.

Chrornosphere

D.

Corona

 
 

Option: C

Explanation :


10:  

Tides are· the highest

A.

when the earth is nearest to the sun

B.

when the earth is nearest to the moon

C.

in the spring

D.

when the Sun. Moon and Earth are in line

 
 

Option: D

Explanation :




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