Kerala (English Medium) Plus 1 Computer Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

A simple pendulum performs simple harmonic motion about x=0 with an amplitude a and time period T. The speed of the pendulum at will be:

(A)

(B)

(C)

(D)

Question-2

A particle has simple harmonic motion. Its equation of motion is :cm where x is the displacement. If the displacement of the particle is 3 cm, then its velocity in cm/s is :

(A)

20

(B)

(C)

16

(D)

Question-3

A body is executing SHM. When the displacements from the mean position is 4 cm and 5 cm, the corresponding velocities of the body is 10 cm/s and 8cm/s. Then the time period of the body is:

(A)

(B)

(C)

(D)

Question-4

A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a frequency n.What will be the frequency of the system, if a mass 4 m is suspended from the same spring ?

(A)

(B)

4 n

(C)

(D)

2n

Question-5

A body of mass 5 kg hangs from a spring and oscillates with a time period of 2 seconds. If the body is removed, the length of the spring will decrease by :

(A)

2 metres

(B)

g metres

(C)

g/k metres

(D)

k/g metres

Question-6

A particle executing S.H.M has amplitude 0.01 m and frequency 60 Hz. The maximum acceleration of the particle is:

(A)

(B)

(C)

(D)

Question-7

A simple pendulum with a bob of mass m oscillates from A to C and back to A [See Fig.] such that PB is H., If the acceleration due to gravity is g then velocity of the bob as it passes through B is

(A)

Zero

(B)

2gH

(C)

(D)

mgH

Question-8

A hollow sphere filled with water forms the bob of a simple pendulum. A small hole at the bottom of the bob allows the water to slowly flow out as it is set into small oscillations and its period of oscillations is measured. The time period will:

(A)

Increase

(B)

Decrease

(C)

Remain constant

(D)

First increases , then decreases

Question-9

Two springs A and B (k_{A} =3k_{B} )are stretched by the same suspended weight. Then ratio of work done in stretching is

(A)

1 : 2

(B)

1 : 3

(C)

1 : 4

(D)

2 : 1

Question-10

Two simple harmonic motions of angular frequency 100 and 1000 rad s^{-1} have the same displacement amplitude. The ratio of their maximum accelerations is:

(A)

1:10

(B)

1:10^{2}

(C)

1:10^{3}

(D)

1:10^{4}

Your Score 0/10

Click here to see your answersheet and detailed track records.