Nature of Universe TNPSC Group 1 Questions

Physics

Nature of Universe MCQ Questions

13.
The distance between the earth and the sun is maximum when the earth is in
A.
perihelion
B.
aphelion
C.
perigee
D.
apogee
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ANSWER :
B. aphelion
14.
why the tail of a comet is directed away from the sun?
A.
As the comet rotates around the sun, the lighter mass of the comet is pushed away due to the centrifugal force alone
B.
As the comet rotates,the lighter mass of the comet is attracted by some star situated in the direction of its tail
C.
The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun
D.
the tail of the comet always exists in the same orientation
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ANSWER :
C. The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun
15.

Match List I correctly with List II and select your answer using the codes given below:

List I List II
a) Mars 1.) A planet with prominent rings around it
b) Mercury 2.) Planet farthest from the sun
c) Neptune 3.) Planet closest to the sun
d) Saturn 4.) Red Planet
A.

a-4,b-3,c- 1,d-2

B.

a-1,b-3,c- 3,d-4

C.

a-4,b-3,c- 2,d-1

D.

a-3,b-4,c- 2,d-1

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ANSWER :

C. a-4,b-3,c- 2,d-1

16.
The solar system belongs the galaxy called
A.
Andromeda nebula
B.
Milky way
C.
Radio galaxy
D.
Magellanic cloud
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ANSWER :
B. Milky way
17.
Lunar eclipse occur
A.
on a full-moon day
B.
on a new -moon day
C.
seven days after the new-moon day
D.
none of these
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ANSWER :
A. on a full-moon day
18.
A solar eclipse occurs when
A.
the sun, the moon and the earth are not in the same line
B.
the moon comes between the sun and the earth
C.
the earth comes between the sun and the moon
D.
the sun comes between the earth and the moon
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ANSWER :
B. the moon comes between the sun and the earth