JEE Physics - MCQ Practice Questions

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

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

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:

A string of mass 100 g and length 2 m is fixed at both ends. If tension is 200 N, what is the frequency of the fundamental mode?

Two coherent sources with intensity ratio 4:1 interfere. The maximum intensity in the interference pattern is:

A sound wave traveling in air at 340 m/s encounters a wall. The reflected wave interferes with the incident wave. At what distance from the wall is the first antinode?

Two speakers emit sound of wavelength 1 m with a phase difference of π radians. An observer is located 2 m from both speakers. The path difference at the observer's location is 0.5 m. The intensity at the observer's location will be:

A standing wave is formed on a string with 4 antinodes. The length of the string is 2 m. What is the wavelength?

A resonance tube experiment shows that the first resonance occurs at a length of 9 cm. The next resonance occurs at 27 cm. The end correction of the tube is approximately:

An observer moving at velocity v_o towards a stationary sound source of frequency f hears a frequency f'. The relationship is best represented by:

A wave travels through two media. In medium 1, its speed is 400 m/s and wavelength is 2 m. In medium 2, the speed is 600 m/s. The wavelength in medium 2 is:

A transverse wave on a string is represented as y = 10sin(πx/2 - 4πt), where x and y are in cm and t is in seconds. The particle velocity at x = 1 cm and t = 0 is:

A tuning fork of frequency 512 Hz is vibrating above a resonance tube filled with water. As water level is lowered, resonance first occurs at length 16 cm. The speed of sound is:

A wave pulse on a rope travels from a denser to a lighter medium (from thin to thick rope). The reflected pulse:

A wave undergoes constructive interference with another identical wave. The resulting amplitude is A₀. If one wave's amplitude is reduced to half, what is the new resultant amplitude for constructive interference?