Question # 1

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Choose an answer

k/2

2 k

4 k

None of these

The wave form of SHM is

Choose an answer

Pulsed wave

Square wave

Triangular waved

Sine wave

When a body is vibrating, the displacement from mean position

Choose an answer

Increases with time

Decreases with time

Changes with time

None of these

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Choose an answer

Circular motion, circumference

Vibratory, chord

SHM, diameter

SHM, circumference

The displacement of body executing SHM is

Choose an answer

x_ocoswt

x_osinwt

x_osin²wt

Both A, B

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Choose an answer

Applied force, inertial

Restoring force, friction

Frictional force, inertial

Restoring force, inertial

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Choose an answer

250 N m^-1

25 N m^-1

2.5 N m^-1

None of these

The S.I unit of frequency is

Choose an answer

Vibrations s^-2

Ms^-1

Hertz

s^-1

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Choose an answer

f/2

2f

f

4f

When quarter of a circle is completed, the phase of vibration is:

Choose an answer

90°

180°

45°

360°

The restoring force is always directed towards:

Choose an answer

Rest position

Equilibrium position

Mean position

All of them

When quarter of a cycle is completed, the phase of vibration is:

Choose an answer

90°

180°

45°

360°

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Choose an answer

f

2 f

3 f

1/2 f

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Choose an answer

1.5 sec

2.0 sec

2.3 sec

2.5 sec

Amplitude is the displacement of the vibrating body from:

Choose an answer

One extreme position to the other extreme position

Mean position any one extreme position

Both A and B are correct

None of these

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Choose an answer

Increases

Decreases

Remains constant

None of these

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 7 Oscillations Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer