Universe - Section 2

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
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

Halley's comet appears once in a period. of

A.	24 years
B.	32 years
C.	76 years
D.	84 years
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

The outermost layer of Sun is called

A.	Lithosphere
B.	Photosphere
C.	Chrornosphere
D.	Corona
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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