# 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

Posted Date:-2021-08-31 09:45:04

## Question: ` Electrical resonance is observed in`

2.microwave oven

3.both in radio and microwave oven

4. neither in radio nor in microwave oven

Posted Date:-2021-08-31 09:45:04

## Question: ` For a simple pendulum the restoring force is caused by`

1.gravity

2.spring

3.hand

4.all of these

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

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

1.force

2.pressure

3.surface tension

4.loudness

Posted Date:-2021-08-31 09:45:04

## Question: ` When the amplitude of a wave become double its energy become`

1.double

2.four times

3.one half

4.none time

Posted Date:-2021-08-31 09:45:04

## Question: ` A cup of milk is placed in a microwave oven. Tell which statements is false (1) Milk will be heated up only (2) Cup will remain cool (3) Both cup and mild will get hot.`

1.both

2.1

3.2

4.3

Posted Date:-2021-08-31 09:45:04

## Question: ` Forced vibration are known as`

1.simple harmonic vibration

2.natural vibration

3.driven harmonic vibration

4.free vibration

Posted Date:-2021-08-31 09:45:04

## Question: ` If length of second pendulum becomes four times then its time period will become`

1.four times

2.six times

3.eight times

4.two times

Posted Date:-2021-08-31 09:45:04

## Question: ` In vibratory motion`

1.P.E. remains constant

2.K.E. remain constant

3.total energy remain constant

4.total momentum remain constant

Posted Date:-2021-08-31 09:45:04

## Question: ` The length of second pendulum is`

1.100 cm

2.99 cm

3.99.2 cm

4.98 cm

Posted Date:-2021-08-31 09:45:04

## Question: ` The product of frequency and time period is equal to`

1.1

2.2

3.3

4.4

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## Question: `A simple pendulum suspended form the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely the time period is`

1.infinite

2.T/g

3.zero

4.g/T

Posted Date:-2021-08-31 09:45:04

## Question: `At Murree Hills (Assume value of g changes). If we use a simple pendulum as time standard then one second duration will.`

1.increase

2.decrease

3.remains same

4.is zero

Posted Date:-2021-08-31 09:45:04

## Question: `For what displacement the P.E becomes 1/4 of its maximum value?`

1.x = x?

2.x = x?/2

3.x = x?/4

4.x = x?2/2

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

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

1.vibratory motion

2.rotatory motion

3.S.H.M

4. both (a) and c

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## Question: `S.I unit of frequency is`

1.vibration S-2

3.hertz

4.ms-1

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## Question: `The acceleration of a projection on the diameter for a particle moving along a circle is`

1.w2x

2.wx2

3.w2x

4.wx2

Posted Date:-2021-08-31 09:45:04

## Question: `The displacement of SHM is written as X = X? sin?t if displacement is written by X = X? son ?t then phase constant will be equal to`

1.0?

2.45?

3.90?

4.180?

Posted Date:-2021-08-31 09:45:04

## Question: `The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body`

1.10 cm

2.5 cm

3.15 cm

4.7.5 cm

Posted Date:-2021-08-31 09:45:04

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

1.maximum as well minimum

2.minimum only

3.maximum only

4.zero

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## Question: `The force responsible for the vibratory motion of the simple pendulum is`

1. mg cos?

2. mg sin?

3.mg ton?

4.mg

Posted Date:-2021-08-31 09:45:04

## Question: `The frequency of the second pendulum is`

1.1 hertz

2.0.5 hertz

3. 1.5 hertz

4.2.5 hertz

Posted Date:-2021-08-31 09:45:04

## Question: `The restoring force acting on simple pendulum is given by`

1.mg sin ?

2.mg sin ?

3.mg cos ?

4.mg cos ?

Posted Date:-2021-08-31 09:45:04

## Question: `The time period of a second pendulum is `

1. 4 seconds

2.3 seconds

3.2 seconds

4.6 seconds

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## Question: `The waveform of S.H.M. is`

1.standing wave

2.sine wave

3.square wave

4.none

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

## 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

Posted Date:-2021-08-31 09:45:04

1.T.V