Home
Class 12
PHYSICS
A wave shown by the eqauction y=A cos (o...

A wave shown by the eqauction y=A `cos (omega t-phi ) ` is totally reflected by a closed end.After reflection

A

` phi ` does not change

B

only `phi` change

C

` omega ` changes

D

both ` omega and phi ` change

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A transverse progressive wave is given by the equation y = 2 cos (pi) (0.5x - 200 t) , where x and y are in cm and 't' in second. The true following statement is

A light ray is incident normally on the face AB of a right-angled prism ABC (mu = 1.50) as shown in the figure. What is the largest angle phi for which the light ray is totally reflected at the face AC?

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

A sound wave of frequency 1000Hz and travelling speed 340 m/s is reflected from the closed end of the tube. At what distance from that end will the successive node occur ?

A wave travelling along the x-axis is described by the equation y(x, t) = 0.005 cos ( alpha x - betat ). If the wavelength and the time period of the wave are 0.08 m and 2.0 s, respectively, then a and p in appropriate units are

White light is incident on the interface of glass and air as shown in the figure. If green light is just totally internally reflected then the emerging ray in air contains

A transverse wave of equation y= 2sin (0.01x + 30 t) moves on a stretched string from one end to another end.In the equation of wave.x and y are in cm and t in second.The time taken by wave to reach from one to another of string of length 45 cm is

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

The displacement of the interfaring light waves are y_1 =4 sin omega t and y_2=3sin (omegat +(pi)/( 2)) What is the amplitude of the resultant wave?

The displacement of a particle is represented by the equation y = 3 cos [ pi/4 - 2omega t] . The motion of the particle is