Question # 1

A body with frequency of would complete one vibration in:

Choose an answer

f seconds

1/f seconds

1 second

f²second

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

Which of the following is an example of SHM(in ideal situations)

Choose an answer

Motion of simple pendulum

Motion of horizontal spring man system

Motion of violin string

All of these

SHM is type of ______ motion

Choose an answer

Vibratory

Linear

Circular

None

A spring of constant k = 0.4 N m^-1_{is to be extended thorugh 10 cm at a place where g = 10 m sec}^-2. The mass to be suspended should be:

Choose an answer

4 gms

0.4 gms

40 gms

None of these

Acceleration of body executing SHM is always directed towards

Choose an answer

Extreme position

Mean position

Along the direction of motion

None

If a force of 0.05 N produces an elongation of 20 mm in a 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

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

Choose an answer

90°

180°

45°

360°

The string of a simple pendulum should be:

Choose an answer

Heavy

Extensible

In-extensible

None of these

Amplitude in SHM is equivalent to ______ in circular motion

Choose an answer

Diameter

Radius

Circumference

None of these

The restoring force is ______ amd opposite to the applied force within _____:

Choose an answer

Equal, elastic limit

Different, the walls of the laboratory

Different, elastic limit

None of these

Free oscillations are always produced by:

Choose an answer

An applied force

Gravitational force

Restoring force and inertia

Inertia only

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

The displacement of body executing SHM is

Choose an answer

x_ocoswt

x_osinwt

x_osin²wt

Both A, B

A spring of constant k = 0.4 N m^-1is to be extended through 10 cm at a place where g = 10 m sec^-2. The mass to be suspended should be:

Choose an answer

4 gms

0.4 gm

40 gms

None of these

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Choose an answer

2500 MHz

0.25 MHz

2500 KHz

None of these

More Classes

Other Links

ECAT Physics 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