1)

In the ideal case of zero damping, the amplitude of simple harmonic motion at resonance is

Class 11 Physics

A)

Unity

B)

Infinity

C)

Zero

D)

None

2)

The period of SHM does not depends on the

Class 11 Physics

A)

Phase constant

B)

Energy

C)

Amplitude

D)

All

3)

The force acting in simple harmonic motion is proportional to displacement and is always directed

Class 11 Physics

A)

Both a and b

B)

Towards the centre of motion

C)

Away from the centre of motion

D)

None

4)

When a system oscillates with its natural frequency then it is called as

Class 11 Physics

A)

Driven oscillations

B)

Forced oscillations

C)

Free oscillations

D)

None

5)

The beat frequency of the heart is

Class 11 Physics

A)

Both a and b

B)

1.25s-1

C)

1.25Hz

D)

None

6)

The motion which repeat itself after equal interval of time is called as

Class 11 Physics

A)

Uniform motion

B)

Periodic motion

C)

Non periodic motion

D)

Non uniform motion

7)

The period of a simple pendulum is given by

Class 11 Physics

A)

T = √L/g

B)

T = 2π √L/g

C)

T = 2√L/g

D)

T = 1/2π*√L/g

8)

The angular frequency w is related to period T as

Class 11 Physics

A)

W = 2/T

B)

W = 2π/T

C)

W = 2πT

D)

W = T/2π

9)

The force acting in simple harmonic motion is proportional to

Class 11 Physics

A)

Displacement

B)

Distance

C)

Velocity

D)

Acceleration

10)

The dimensions of period is given by

Class 11 Physics

A)

[M T]

B)

[T]

C)

[M L T]

D)

[L T]