11)

The SI unit of force constant is given by

Class 11 Physics

A)

Nm

B)

N

C)

N/m

D)

None

12)

The phenomenon of increase in amplitude when the driving force is close to the natural frequency of the oscillator is called as

Class 11 Physics

A)

Resonance

B)

Forced oscillations

C)

Free oscillations

D)

None

13)

The number of oscillations per unit time is called as

Class 11 Physics

A)

Wavelength

B)

Period

C)

Frequency

D)

None

14)

For simple harmonic motion force is given by

Class 11 Physics

A)

F = k/X

B)

F = -kx

C)

F = kx

D)

F = -k/X

15)

The relationship between time period T and frequency n is given by

Class 11 Physics

A)

Both a and b

B)

n = 1/T

C)

T = 1/n

D)

T = n

16)

When system oscillates with the frequency given by the external agency is called as

Class 11 Physics

A)

Driven oscillations

B)

Forced oscillations

C)

Free oscillations

D)

Both b and c

17)

The kinetic energy of particle performing SHM at any time is given by

Class 11 Physics

A)

Mv2

B)

1/2mv2

C)

1/2mv

D)

MV

18)

The dimensions of frequency is given by

Class 11 Physics

A)

[M L T]

B)

[T-1]

C)

[T]

D)

[M T-1]

19)

The SI unit of phase constant is given by

Class 11 Physics

A)

Both a and b

B)

Rad

C)

Degree

D)

None

20)

The dimensions of force constant is

Class 11 Physics

A)

[M T]

B)

[M T-2]

C)

[M T-1]

D)

None