Question # 1

In SHM, the acceleration is ______ when velocity is _____:

Choose an answer

Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

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

In vibrational motion(SHM)

Choose an answer

P.E remains conserved

Average K.E remain constant

Neither P.E nor K.E remains constant

Total energy remains constant

The unit of spring constant is

Choose an answer

J-sec

Metre

Nm^-1

None of these

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

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, Inertia

Restoring force, Friction

Frictional force, Inertia

Restoring force, Inertia

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

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 string of a simple pendulum should be:

Choose an answer

Heavy

Extensible

In-extensible

None of these

Velocity of particle executing SHM will be maximum at

Choose an answer

Extreme position

Mean position

b/w mean and extreme

None

An angle of 180° in circular motion is equivalent to ______ in SHM.

Choose an answer

Half the vibration

One vibration

3/4th of a vibration

None of these

If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:

Choose an answer

10 cm

1 m

10 mn

None of these

Which of the following quantity for particle executing SHM is non-zero at mean position

Choose an answer

Force

Acceleration

Velocity

Displacement

Amplitude in SHM is equivalent to ______ in circular motion:

Choose an answer

Diameter

Radius

Circumference

None of these

The SI unit of spring constant is identical with that of:

Choose an answer

Force

Surface tension

Pressure

Loudness

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