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Question-1 Which one of the following equations of motion represents simple harmonic motion ?

(A) Acceleration =-k₀ x + k₁ x²	(B)Acceleration = -k(x+a)
(C)Acceleration = k(x+a)	(D)Acceleration - kx where k,k₀,k₁ and a are all positive

Question-2 The time period of a simple pendulum is 2 s. If its length is increased by 4 times, then its period becomes

(A) 16 s	(B)12 s
(C)8 s	(D)4 s

Question-3
A particle is executing S.H.M. with an amplitude of 4 cm and time period 12 seconds. The time taken by the particle in going 2 cm from the mean position is T₁ seconds. The time taken from this displaced position to reach the extreme position on the same side is T₂ seconds. Then T₁ /T₂ will be

(A) 2	(B) 1
(C) 1/3	(D) 1/2

Question-4
The acceleration of a particle in S.H.M. is

(A) always constant	(B) maximum at extreme positions
(C) maximum at mean position	(D) always zero

Question-5 A point particle of mass 0.1 kg is executing S.H.M of amplitude 0.1 m. When the particle passes through the mean position, its K.E is 8 x 10^-3 J. The equation of motion of this particle if its initial phase of oscillations is 45^o is

(A)	(B)
(C)	(D)

Question-6 Two simple harmonic motions given by,
act on a particle simultaneously, then the motion of particle will be

(A) circular anticlockwise	(B)circular clockwise
(C)elliptical anticlockwise	(D)elliptical clockwise

Question-7 A mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass of the spring and the pan is negligible. When pressed slightly and released the mass executes a simple harmonic motion. The spring constant is 200 N/m. What should be the minimum amplitude of the motion, so that the mass gets detached from the pan ?
(Take g =10m/s² )

(A) 8.0 cm	(B)10.0 cm
(C)Any value less than 12.0 cm	(D)4.0 cm

Question-8 The potential energy of a simple harmonic oscillator when the particle is half way to its end point is

(A)	(B)
(C)	(D)

Question-9 The particle executing simple harmonic motion has a kinetic energy . The maximum values of the potential energy and the total energy are respectively

(A) 0 and 2K₀	(B)
(C)K₀ and 2 K₀	(D)K₀ and K₀

Question-10
Frequency of a simple pendulum in a freely falling lift is

(A) zero	(B) infinite
(C) finite	(D) cannot say

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Plus 1 Biology Science

Kerala (English Medium)

Practice in Related Chapters
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Work,Energy and Power
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Oscillations
System of Particles and Rotational Motion
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Waves
Gravitation
Mechanical Properties of Solids
Thermal Properties of Matter
Thermodynamics

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