Nature of Universe TNPSC Group 2 2A Questions

Physics

Nature of Universe MCQ Questions

1.

The smallest planet in the solar system is

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.

Venus

B.

Earth

C.

Mercury

D.

Saturn

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ANSWER :

C. Mercury

2.
A meteor is
A.
a rapidly moving star
B.
a piece of matter which has entered the earth's atmosphere from outer space
C.
part of a constellation
D.
a comet without a tail
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ANSWER :
B. a piece of matter which has entered the earth's atmosphere from outer space
3.
The colour of a star is an indication of its
A.
distance from the sun
B.
luminosity
C.
distance from the earth
D.
temperature
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ANSWER :
D. temperature
4.
One astronomical Unit is the average distance between the
A.
Earth and the Sun
B.
Earth and the Moon
C.
Jupiter and the Sun
D.
Pluto and the Sun
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ANSWER :
A. Earth and the Sun
5.
Day and night are the result of
A.
earth's rotation around itself
B.
earth's revolution around the sun
C.
both the above reason
D.
none of these
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ANSWER :
A. earth's rotation around itself
6.
Hubble' is
A.
An electric car
B.
Nearest star
C.
A space telescope
D.
a nuclear powered aeroplane
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ANSWER :
C. A space telescope