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Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-13

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Download in pdf physics general knowledge quiz questions and answers or GK objective questions with answers. These multiple choice questions and answers include mcqs on gravitational force, decibel etc.
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(61) The weakest of all fundamental forces is
[A] Nuclear force
[B] Magnetic force
[C] Electrostatic force
[D] Gravitational force

Comment

Answer: Option [D]
(62) 1 Micron is equal to
[A] 10-6
[B] 10-8
[C] 10-12
[D] 10-14

Comment

Answer: Option [A]

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(63) The unit of noise polution (level) is
[A] decimal
[B] decibel
[C] ppm
[D] None of the above

Comment

Answer: Option [B]
(64) The pitch of sound depends on its
[A] amplitude
[B] velocity
[C] frequency
[D] All of the above

Comment

Answer: Option [C]
(65) Solar energy is due to
[A] chemical reaction
[B] combustion reaction
[C] fission reaction
[D] fusion reaction

Comment

Answer: Option [D]

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