Physics GK Questions
Physics GK Questions
Q.7 Out of the following, which is not emitted by radioactive substance?
(A) Electrons
(B) Electromagnetic radiations
(C) Alpha particles
(D) Neutrons
Ans . D
Q.8 Sound waves in air are
(A) transverse
(B) longitudinal
(C) electromagnetic
(D) polarised
Ans . B
Q.9 Magnetism at the centre of a bar magnet is
(A) minimum
(B) maximum
(C) zero
(D) minimum or maximum
Ans . C
Q.10 It is more difficult to walk on a sandy road than on a concrete road because
(A) sand is soft and concreter is hard
(B) the friction between sand and feet is less than that between concrete and feet
(C) the friction between sand and feet is more than that between concrete and feet
(D) the sand is grainy but concrete is smooth
Ans . B
Q.11 Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
(A) 0.14 m/s
(B) 140 m/s
(C) 1.4 km/s
(D) 14 m/s
Ans . D
Q.12 Of the following properties of a wave, the one that is independent of the other is its
(A) amplitude
(B) velocity
(C) wavelength
(D) frequency
Ans . A
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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