Home
Class 12
PHYSICS
The equation of a wave is y=A sin (2pint...

The equation of a wave is `y=A sin (2pint) `When it is reflected at a free end its amplitude becomes 90% The equation of the reflected wave is

A

` y= 0.9 A sin ( 2pi nt + pi ) `

B

` y=(A)/( 9)sin ( 2pint ) `

C

` y= 0.9 A sin (2pint ) `

D

` y= 9 A sin (2pint ) `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A sound wave y= A_0 sin (omegat-kx) is reflected from a rigid wall with 64% of its ampltitude. The equation of the reflected wave is

When a wave is reflected at a rarer surface,the change in phase is

Equation of a plane progressive wave is given by y = 0.6 sin 2 (pi) [ t - x /2] . On reflection from a denser medium its amplitude becomes [2/3] of the amplitude of the incident wave. The equation of the reflected wave is

The equation of a wave is y=4 sin[(pi)/(2)(2t+(1)/(8)x)] where y and x are in centimeters and t is in seconds. Its amplitude, wavelength, velocity and frequency are

The equation of a sound wave is y = 0.0015 sin (62.4x + 316 t) The wavelength of this wave is

After reflection from the open end a transverse progressive wave y_1 =A sin 2pi (t//T-x//lambda ) travels along the direction of negative X-axis The equation of the reflected wave will be

The equation of a wave is given as y= 0.07 sin ( 12pi x -3000pi t ), where x is in metre and t is in x,then the correct value is

The equation of a standing wave is given by y = 0.02 cos (pi)(x) sin (100 (pi) t )m . Find the amplitude of either wave interfering , wavelength , time period, frequency and wave velocity of interfering waves.

A wave travels in a medium according to the equation of displacement given by y(x, t) = 0.03 sin pi where y and x are in metres and t in seconds. The wavelength of the wave is

The equation of the propagating wave is y = 25sin(20t + 5x), where y is displacement. Which of the following statements is not true.