Explore topic-wise MCQs in Physics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

A sinusoidal wave has an amplitude of 3cm. Time period is 1s. The wavelength is 1cm. And at x = 0, t=0 the particle is at its mean position & moving upwards. What is the equation of the wave if it is travelling along the positive x-axis?

A. y = 3sin(2 x 2 t)
B. y = 3sin(2 t 2 x)
C. x = 3sin(2 t 2 y)
D. y = 3cos( + 2 t 2 x)
Answer» C. x = 3sin(2 t 2 y)
Discussion
2.

The equation of a wave is given by y = 3sin(4x-2t). What is the time period and wavelength of the wave?

A. T = 2 , = 2
B. T = , = 2
C. T = , = /2
D. T = /2, =
Answer» D. T = /2, =
Discussion
3.

A sinusoidal wave has an amplitude of 2cm. It is travelling in the negative x-direction. The distance between two crests is 2cm. The angular frequency is s-1. What is the displacement of the particle at x = 20.5cm, at t = 10s? Assume that at t=0 & x=0 the particle was at the mean position and going downwards. x & y are in cm.

A. 0cm
B. 1cm
C. -1cm
D. -2cm
Answer» E.
Discussion
4.

An equation of a wave is given by: y = 2sin(3x-2t+ /2). What is the minimum distance between two points having the same phase?

A. 3
B. /2
C. 2 /3
D.
Answer» D.
Discussion
5.

What does the given equation: x = Asin(ky+wt+a) represent?

A. Wave travelling along positive x direction
B. Wave travelling along negative x direction
C. Wave travelling along positive y direction
D. Wave travelling along negative y direction
Answer» E.
Discussion