Question 1

A quantity which indicates the state and direction of a vibrating body is known as

Accepted Answer

phase

Answer

displacement

Answer

time period

Answer

frequency

Question 2

In simple harmonic motion, the velocity of the body is maximum at

Accepted Answer

mean position

Answer

none of them

Answer

extreme position

Answer

in between mean and extreme position

Question 3

The wave form of SHM is

Accepted Answer

sine

Answer

square

Answer

tangent

Answer

cosine

Question 4

The potential energy of a mass spring system at mean position is

Accepted Answer

minimum

Answer

zero

Answer

maximum

Answer

none

Question 5

The time period of an oscillating mass spring system is 10 s. If the mass is doubled, the time period will become

Accepted Answer

$2	imes\sqrt10$

Answer

5

Answer

20

Answer

10

Question 6

Time period of a simple pendulum only depends upon

Accepted Answer

length

Answer

period

Answer

amplitude

Answer

mass

Question 7

A phenomenon by which energy is dissipated from the oscillating system is called

Accepted Answer

damping

Answer

forced oscillation

Answer

SHM

Answer

free oscillation

Question 8

The unit of spring constant is

Accepted Answer

$Nm^{-1}$

Answer

$Nm$

Answer

$Nm^{-2}$

Answer

none

Question 9

Resonance happens when ________become equal.

Accepted Answer

frequencies

Answer

amplitudes

Answer

displacements

Answer

velocities

Question 10

Phase difference of 180 is equal to a path difference of

Accepted Answer

$\pi$

Answer

$\frac{\pi}{2}$

Answer

$2\pi$

Answer

none

Question 11

A microwave oven works on the principle of

Accepted Answer

resonance

Answer

conduction

Answer

none

Answer

convection

Question 12

Acceleration of a body executing SHM is maximum at

Accepted Answer

extreme position

Answer

none

Answer

mean position

Answer

it stays constant

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