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Exam Details

2021 Paper - II Geophysics

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Questions 120
Duration 180 mins
Package Combined Medical Services Examination - Previous Year Papers

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Difficulty distribution

Easy 40 33.3%
Medium 40 33.3%
Hard 40 33.3%

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Multiple Choices 120 100%

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Sample questions from this paper

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1
2021 · Unclassified
2021 Paper - II Geophysics
Combined Geo-Scientist (P) Examination 2021 Paper-II (Geophysics) A particle with kinetic energy equal to \( GMm/R \) on the surface of rotating earth will:
A
Start rotating around the earth
B
Escape from the earth
C
Remain on the earth with maximum potential energy
D
Reach the equator
2
2021 · Unclassified
2021 Paper - II Geophysics
A satellite is revolving round the earth at a height of 600 km. Considering the radius of the earth as 6400 km, the mass of the earth as 6 \( × \) 10\(^{24}\) kg and gravitational constant (G) as 6.67 \( × \) 10\(^{-11}\)Nm\(^{2}\)/kg\(^{2}\), the time period of the satellite will be:
A
4.8 \(× \) 10\(^{3}\) s
B
4.8 \(× \) 10\(^{6}\) s
C
5.8 \(× \) 10\(^{3}\) s
D
4.2 \(× \) 10\(^{2}\) s
3
2021 · Unclassified
2021 Paper - II Geophysics
The most studied and largest fraction of the meteorites recovered on the earth is:
A
Achondrites
B
Chondrites
C
Iron
D
Iron-stony
4
2021 · Unclassified
2021 Paper - II Geophysics
Which one of the following statements is true for planets revolving around the Sun?
A
Areal velocity of different planets is different
B
Areal velocity of a planet is not constant
C
Only Earth has areal velocity
D
Jupiter has the largest areal velocity
5
2021 · Unclassified
2021 Paper - II Geophysics
When the mass of a star becomes more than 1.4 times the solar mass, it would cease to be a:
A
White dwarf
B
Neutron star
C
Black hole
D
Pulsar
6
2021 · Unclassified
2021 Paper - II Geophysics
Consider the following statements: Statement-1: The earth’s gravity increases from equator to pole Statement-2: The equatorial bulge places an excess mass at equator, which causes the decrease in gravity at the equator Which one of the following is correct in respect of above statements?
A
Both Statement-1 and Statement-2 are true and Statement-2 is the correct explanation of Statement-1
B
Both Statement-1 and Statement-2 are true but Statement-2 is not the correct explanation of Statement-1
C
Statement-1 is true but Statement-2 is false
D
Statement-1 is false but Statement-2 is true