Nature of Universe TNPSC Group 1 Questions

Physics

Nature of Universe MCQ Questions

7.
Which one of the following is correctly matched?
A.
Quarks - A kind of crystal
B.
Venus - Brightest planet
C.
Nucleon - proton and Electron
D.
Maser - A powerful source of heat
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ANSWER :
B. Venus - Brightest planet
8.
Which is not a terrestrial planet having hard surface?
A.
Jupiter
B.
Venus
C.
Mars
D.
Mercury
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ANSWER :
A. Jupiter
9.
The solar eclipse achieves totality only in limited geographical regions because
A.
the size of the shadow of the moon on the earth is small compared to the cross section of the earth
B.
the earth is not a smooth flat surface, it has elevations and depressions
C.
the trajectories of the earth around the sun and the moon around the earth are not perfect circles
D.
sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
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ANSWER :
A. the size of the shadow of the moon on the earth is small compared to the cross section of the earth
10.

The angle between the moon and the sun would be ____________when measured from earth on a half-moon light

A.

30o

B.

60o

C.

90o

D.

180o

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ANSWER :

C. 90o

11.
When does a lunar eclipse occur?
A.
on a new moon day
B.
when the earth comes between the sun and the moon
C.
when the sun comes between the earth and the moon
D.
when the moon comes between the earth and the sun
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ANSWER :
B. when the earth comes between the sun and the moon
12.
The planet near to the sun
A.
Venus
B.
Jupiter
C.
Mercury
D.
Saturn
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ANSWER :
C. Mercury