Three waves of same intensity `(I_0)` having initial phases ` 0, pi/4 , - pi/4 ` rad respectively interfere at a point. Find the resultant Intensity

Three harmonic waves having equal frequency and same intensity I_(0) have phase angle - phi, 0 & phi respectively.When they are superimposed internsity of the resultant wave becomes 4I_(0) . Find phi

Three harmonic waves having equal frequency and same intensity I_(0) have phase angle - phi, 0 & phi respectively.When they are superimposed internsity of the resultant wave becomes 4I_(0) . Find phi

Three harmonic waves having equal frequency and same intensity I_(0) have phase angle - phi, 0 & phi respectively.When they are superimposed internsity of the resultant wave becomes 4I_(0) . Find phi

Two sinusoidal waves of intensity I having same frequency and same amplitude interferes constructively at a point. The resultant intensity at a point will be

Two sinusoidal waves of intensity I having same frequency and same amplitude interferes constructively at a point. The resultant intensity at a point will be

Two waves have the same frequency . The first has intensity I_(0) . The second has intensity 4I_(0) and lags behind the first in phase by pi//2 . When they meet , find the resultant intensity , and the phase relationship of the resultant wave with the first wave .

Two waves have the same frequency . The first has intensity I_(0) . The second has intensity 4I_(0) and lags behind the first in phase by pi//2 . When they meet , find the resultant intensity , and the phase relationship of the resultant wave with the first wave .

Four harmonic waves of equal freuencies and equal intensity I_(0) have phase angles 0, (pi)/(3), (2pi)/(3) and pi . When they are superposed, the intensity of the resulting wave is nI_(0) . The value of n is

Four harmonic waves of equal freuencies and equal intensity I_(0) have phase angles 0, (pi)/(3), (2pi)/(3) and pi . When they are superposed, the intensity of the resulting wave is nI_(0) . The value of n is

Two sinusoidal plane waves of same frequency having intensities I_(0) and 4I_(0) are travelling in the same direction. The resultant intensity at a point at which waves meet with a phase difference of zero radian is