21)

The motion of a simple pendulum is simple harmonic for

Class 11 Physics

A)

Zero angular displacement

B)

Small angular displacement

C)

Large angular displacement

D)

None

22)

The SI unit of angular frequency is given by

Class 11 Physics

A)

Hz

B)

S-1

C)

S

D)

Both b and c

23)

Every periodic motion is ____

Class 11 Physics

A)

Both a and b

B)

Not simple harmonic motion

C)

Simple harmonic motion

D)

None

24)

Phase constant is the _____ quantity.

Class 11 Physics

A)

Dimensionless

B)

Scalar

C)

Vector

D)

None

25)

The angular frequency w is related to frequency n as

Class 11 Physics

A)

W = 2πn

B)

W = n/2π

C)

W = 2π/n

D)

None