JEE Physics Oscillations MCQs Set B

Question. The circular motion of a particle with constant speed is
(a) Periodic but not simple harmonic
(b) Period and simple harmonic
(c) Simple harmonic but not periodic
(d) Neither periodic nor simple harmonic

Answer: A

Question. A 1.00 × 10–20 kg particle is vibrating under simple harmonic motion with a period of 1.00 × 10–5 s and with a maximum speed of 1.00 × 103 m/s. The maximum displacement of particle from mean position is
(a) 1.59 mm
(b) 1.00 m
(c) 3.18 mm
(d) 10 m

Answer: A

Question. A loaded vertical spring executes S.H.M. with a time period of 4 s. The difference between the kinetic energy and potential energy of this system varies with a period of
(a) 2 s
(b) 1 s
(c) 8 s
(d) 4 s

Answer: A

Question. A particle is performing S.H.M. with energy of vibration 90 J and amplitude 6 cm. When the particle reaches at distance 4 cm from mean position, it is stopped for a moment and then released. The new energy of vibration will be
(a) 40 J
(b) 50 J
(c) 90 J
(d) 60 J

Answer: A

Question. If the particle repeats its motion after a fixed time interval of 8 s then after how much time its maximum value of PE will be attained after attaining its minimum value?
(a) 2 s
(b) 4 s
(c) 8 s
(d) 1 s

Answer: A

Question. A linear harmonic oscillator of force constant 6 × 105 N/m and amplitude 4 cm, has a total energy 600 J. Select the correct statement.
(a) All of these
(b) Maximum kinetic energy is 480 J
(c) Maximum potential energy is 600 J
(d) Minimum potential energy is 120 J

Answer: A