Physics Mcqs

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

• (A)  x = x’
• (B)  x = x’/2
• (C)  x = x’/4
• (D)  x = x(2)’/2

Answer

Submitted By :Ali Uppal

The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?

• (A)  0°
• (B)  45°
• (C)  90°
• (D)  180°

Answer

Submitted By :Ali Uppal

The length of the second pendulum is_________________?

• (A)  100 cm
• (B)  99 cm
• (C)  99.2 cm
• (D)  98 cm

Answer

Submitted By :Ali Uppal

The product of the frequency and time period is equal to_________________?

• (A)  1
• (B)  2
• (C)  3
• (D)  4

Answer

Submitted By :Ali Uppal

The energy of SHM is maximum at_______________?

• (A)  Mean position
• (B)  Extreme position
• (C)  In between mean and extreme
• (D)  All positions during SHM

Answer

Submitted By :Ali Uppal

A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

• (A)  Infinite
• (B)  T/g
• (C)  Zero
• (D)  g/T

Answer

Submitted By :Ali Uppal

When the amplitude of a wave becomes double its energy become_________________?

• (A)  Double
• (B)  Four times
• (C)  One half
• (D)  None time

Answer

Submitted By :Ali Uppal

The SI unit of force constant is identical with that of__________________?

• (A)  Force
• (B)  Pressure
• (C)  Surface tension
• (D)  Loudness

Answer

Submitted By :Ali Uppal

Simple harmonic motion is a type of________________?

• (A)  Rotational motion
• (B)  Circular motion
• (C)  Musical arrangement
• (D)  Vibratory motion

Answer

Submitted By :Ali Uppal

The mass attached to a spring executes ?

• (A)  Vibratory motion
• (B)  Rotatory motion
• (C)  S.H.M
• (D)  Both A and C

Answer

Submitted By :Ali Uppal