JEE Physics - MCQ Practice Questions

A wave travels with a velocity of 300 m/s and has a frequency of 150 Hz. What is its wavelength?

Which of the following is a characteristic of transverse waves?

A sound wave with frequency 500 Hz travels through air (speed = 330 m/s) and then enters water (speed = 1500 m/s). What happens to the wavelength?

Two waves of the same frequency interfere constructively. The resultant amplitude is:

A stationary observer hears a sound from an approaching source. The observed frequency is:

A string of length L is fixed at both ends. The fundamental frequency is f₁. What is the frequency of the second harmonic?

When two coherent light sources interfere, the condition for destructive interference is:

A wave equation is given as y = 5sin(2πx/4 - 2πt/2). The amplitude and frequency are:

Standing waves are formed when:

The intensity of a sound wave is I. If the amplitude is doubled and frequency is halved, the new intensity will be:

A pipe closed at one end and open at the other has a length of 0.5 m. The fundamental frequency is (speed of sound = 340 m/s):

Two sources of sound have intensities I₁ and I₂. The ratio of their amplitudes is:

When a wave reflects from a denser medium, the phase change is:

A transverse wave on a string has amplitude A, wavelength λ, and speed v. The maximum velocity of a particle is:

In Young's double slit experiment, if the distance between slits is d, distance to screen is D, and wavelength is λ, the fringe width is:

A progressive wave y = 10sin(100πt - 0.01πx) cm is given. The wavelength is:

The velocity of a transverse wave on a string depends on:

When a longitudinal wave travels through a medium, particles undergo:

In a resonance tube experiment, the first resonance length is l₁ and second is l₂. The end correction is approximately:

Two waves with intensities 4I and I interfere. The maximum intensity is: