Physics - 11
51. What kind of energy works when a watch spring is wound up?
(A) Electrical energy
(B) Magnetic energy
(C) Kinetic energy
(D) Potential energy
(A) Electrical energy
(B) Magnetic energy
(C) Kinetic energy
(D) Potential energy
Correct Answer: [D] Potential energy.
52. With an ordinary balance, we measure
(A) Weight
(B) Density
(C) Volume
(D) Mass
(A) Weight
(B) Density
(C) Volume
(D) Mass
Correct Answer: [D] Mass.
53. Select the best response:One should wear a colored dress in winter because
(A) They absorb heat
(B) it is easy to wash them
(C) They look colorful
(D) They are cheaper
(A) They absorb heat
(B) it is easy to wash them
(C) They look colorful
(D) They are cheaper
Correct Answer: [A] They absorb heat.
54. For the same Kinetic energy, the momentum shall be maximum for
(A) Deuteron
(B) Alpha Particle
(C) Electron
(D) Proton
(A) Deuteron
(B) Alpha Particle
(C) Electron
(D) Proton
Correct Answer: [B] Alpha Particle.
55. The nature of the motion of a sewing machine is
(A) Oscillatory motion
(B) Rotational motion
(C) Circular motion
(D) Translational motion
(A) Oscillatory motion
(B) Rotational motion
(C) Circular motion
(D) Translational motion
Correct Answer: [A] Oscillatory motion.
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