# ECAT/ECAT Physics Oscillations Mcq Questions Sample Test,Sample questions

## Question: ` Displacement of the body in S.H.M is equal to amplitude when body is at`

1. mean position

2.else where

3.extreme position

4.none

## Question: ` Electrical resonance is observed in`

2.microwave oven

3.both in radio and microwave oven

4. neither in radio nor in microwave oven

1.gravity

2.spring

3.hand

4.all of these

## Question: ` In case of a simple pendulum the cause of damping is`

1.drag force of air

2.gravity

3.tension in string

4.none of these

## Question: ` Natural frequency of simple pendulum depends upon`

1.its mass

2.its length

3.square of its length

4.square root of its length

## Question: ` The projection of the particle moving in a circle with non-uniform speed executes.`

1.S.H.M

2.Vibratory motion

3.Both (b) and (d)

4.None S.H.M

## Question: ` The SI unit of force constant is identical with that of`

1.force

2.pressure

3.surface tension

4.loudness

1.double

2.four times

3.one half

4.none time

1.both

2.1

3.2

4.3

## Question: ` Forced vibration are known as`

1.simple harmonic vibration

2.natural vibration

3.driven harmonic vibration

4.free vibration

1.four times

2.six times

3.eight times

4.two times

## Question: ` In vibratory motion`

1.P.E. remains constant

2.K.E. remain constant

3.total energy remain constant

4.total momentum remain constant

1.100 cm

2.99 cm

3.99.2 cm

4.98 cm

1.1

2.2

3.3

4.4

## Question: ` Total energy of a body executing S.H.M is directly proportional to`

1.square root of amplitude

2.the amplitude

3.reciprocal of amplitude

4.square of amplitude

1.infinite

2.T/g

3.zero

4.g/T

1.increase

2.decrease

3.remains same

4.is zero

1.x = x?

2.x = x?/2

3.x = x?/4

4.x = x?2/2

## Question: `In damped harmonic oscillation which one decreases?`

1.amplitude of vibration

2.energy of vibration

3.both amplitude and energy

4.neither amplitude nor energy

## Question: `In S.H.M. the velocity of a particle is maximum at`

1.mean position

2.extreme position

3.middle between mean and extreme position on the right side

4.middle between mean and extreme position on the left side

## Question: `Mass attached to a spring executes.`

1.vibratory motion

2.rotatory motion

3.S.H.M

4. both (a) and c

## Question: `Phase of SHM describes`

1.displacement only

2.direction of motion only

3.both displacement and direction of motion

4.neither displacement nor direction of motion

1.vibration S-2

3.hertz

4.ms-1

## Question: `Sharpness of resonance is`

1.directly proportional to damping force

2.inversely proportional to damping force

3.equal to square of damping force

4.equal to square of damping force

1.w2x

2.wx2

3.w2x

4.wx2

1.0?

2.45?

3.90?

4.180?

1.10 cm

2.5 cm

3.15 cm

4.7.5 cm

## Question: `The energy absorbed by a body is ________________ at resonance.`

1.maximum as well minimum

2.minimum only

3.maximum only

4.zero

## Question: `The energy of SHM is maximum at`

1.mean position

2.extreme position

3.in between mean and extreme

4.all positions during SHM

1. mg cos?

2. mg sin?

3.mg ton?

4.mg

1.1 hertz

2.0.5 hertz

3. 1.5 hertz

4.2.5 hertz

1.mg sin ?

2.mg sin ?

3.mg cos ?

4.mg cos ?

1. 4 seconds

2.3 seconds

3.2 seconds

4.6 seconds

## Question: `The velocity of the mass attached to a spring is maximum at`

1.mean position

2.extreme position

3.both (a) and (b)

4.none

1.standing wave

2.sine wave

3.square wave

4.none

## Question: `Total distance traveled by bob of simple pendulum in one vibration is equal to`

1.amplitude

2.square of amplitude

3.2 x amplitude

4.4 x amplitude

## Question: `Total distance traveled by bob of simple pendulum in one vibration is equal to`

1.amplitude

2.square of amplitude

3.2 x amplitude

4.4 x amplitude

## Question: `When K.E energy of SHM is maximum its`

1.P.E is zero

2.acceleration is zero

3.restoring force is zero

4.all P.E acceleration and restoring force are zero

1.T.V