Wave Motion Basics: JEE Questions & Solutions

Two strings (A, B) having linear densities A = 2 10^-4 kg/m and, B = 4 10^-4 kg/m and lengths LA = 2.5 m and LB = 1.5 m respectively are…

The velocity of sound in air is doubled when the temperature is raised from 0^ C to a^ C. The value of a is.

The equation of a transverse wave travelling along a string is y(x, t) = 4.0 ( 20 10^-3 x + 600t) mm, where x is in mm and t is in seconds.…

Given below are two statements: one is labelled as Assertion A and the other as Reason R: Assertion A: A sound wave has higher speed in…

A sinusoidal wave of wavelength 7.5 cm travels a distance of 1.2 cm along the x-direction in 0.3 sec. The crest P is at x = 0 at t = 0 sec…

Consider the sound wave travelling in ideal gases of He, CH4, and CO2. All the gases have the same ratio P, where P is the pressure and is…

Displacement of a wave is expressed as x(t) = 5 ( 628t + 2) m. The wavelength of the wave when its velocity is 300 m/s is:

The equation of a wave travelling on a string is y = [20 x + 10 t], where x and t are distance and time in SI units. The minimum distance…

Two strings with circular cross section and made of same material are stretched to have same amount of tension. A transverse wave is then…

A point source is emitting sound waves of intensity 16 10^-8 W/m^2 at the origin. The difference in intensity (magnitude only) at two…

A travelling wave is described by the equation: y(x, t) = 0.05 (8x - 4t) m. The velocity of the wave is: (All quantities are in SI units.)

The distance between two consecutive points with phase difference of 60^ in a wave of frequency 500 Hz is 6.0 m. The velocity with which…

A steel wire with mass per unit length 7.0 10^-3 kg m^-1 is under tension of 70 N. The speed of transverse waves in the wire will be:

A transverse harmonic wave on a string is given by y(x, t) = 5 (6t + 0.003x), where x and y are in cm and t in seconds. The wave velocity…

The equation of wave is given by Y = 10^2 2 ( (60t - 0.5x + 4)) where x and Y are in m and t in s. The speed of the wave is km h^-1.