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Exam Details

2025 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%

Question type distribution

Multiple Choices 120 100%

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Sample questions from this paper

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1
2025 · Unclassified
2025 Paper - II Geophysics
Rheology is the study of
A
mountain building process
B
deformation and flow of solid materials
C
deformation and flow of liquid materials and gases
D
gravity effect of the Sun and the Moon
2
2025 · Unclassified
2025 Paper - II Geophysics
Consider the following nuclear electric quadrupole moments (Q) of the nuclei: Nuclide Q (in barn) 133Cs -0.003 161Dy +2.401 63Cu -0.209 Which one of the following statements regarding the shape of these nuclei is correct?
A
63Cu is prolate, 133Cs is near spherical and 161Dy is oblate.
B
63Cu and 133Cs are prolate and 161Dy is oblate.
C
63Cu and 161Dy are oblate and 133Cs is prolate.
D
63Cu is oblate, 133Cs is near spherical and 161Dy is prolate.
3
2025 · Unclassified
2025 Paper - II Geophysics
The ratio of the nuclear magneton and Bohr magneton is
A
1836
B
1/1836
C
3672
D
1/3672
4
2025 · Unclassified
2025 Paper - II Geophysics
Which one of the following has maximum binding energy per nucleon?
A
4/2 He
B
12/6 C
C
58/28 Ni
D
208/82 Pb
5
2025 · Unclassified
2025 Paper - II Geophysics
A heavy nucleus goes to spontaneous symmetric fission. The energy released using the Bethe-Weizsäcker mass formula (neglecting pairing term) is given by
A
a_s A^(2/3)(1 - 2^(1/3)) + a_c (Z² / A^(1/3)) (1 - 2^(-2/3))
B
a_s A^(2/3)(1 + 2^(1/3)) + a_c (Z² / A^(1/3)) (1 - 2^(2/3))
C
a_s A^(2/3)(1 + 2^(1/3)) + a_c (Z² / A^(1/3)) (1 + 2^(-2/3))
D
a_s A^(2/3)(1 - 2^(1/3)) + a_c (Z² / A^(1/3)) (1 - 2^(2/3))
6
2025 · Unclassified
2025 Paper - II Geophysics
In the Sun, the fusion process generates energy using proton-proton cycle. Which one of the following reactions is dominating in the 3/2 He burning process?
A
3/2 He + 4/2 He → 7/4 Be + γ
B
3/2 He + 2/1 H → 4/2 He + p
C
3/2 He + 3/1 H → 4/2 He + d
D
3/2 He + 3/2 He → 4/2 He + 2p