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

61 The weakest of all fundamental forces is
A Nuclear force
B Magnetic force
C Electrostatic force
D Gravitational force

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

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

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

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

Answer: Option [D]


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