When beats are formed by two waves of frequencies `n_1` and `n_2`, the amplitude varies with frequency equal to...

In AM wave the amplitude of each side hand frequency is

Two waves of frequencies 6 Hz and 10 hz are superposed. The beat frequency produced is

When a stationary wave is formed, then its frequency is

What is the phase difference between two waves of equal amplitude having same angular frequency with equal wavelength to give. (i) Maximum amplitude? (ii) Minimum amplitude?

If the frequency of the source e.m.f. in an AC circuit in n ,the power varies with a frequency:

(a) What happens when two sound waves of equal frequencies and amplitude travelling in the same direction are superposed ? (b) Draw a diagram to show the formation of beats, (c) Derive an expression for the beat frequency.

What is the beat frequency, when two waves of frequency 450 Hz and 456 Hz are superposed?

When two sound sources of the same amplitude but of slightly different frequencies v_(1) and v_(2) are sounded simultaneously, the sound one hears has a frequency equal to

When two waves of almost equal frequencies n_(1) and n_(2) reach at a point simultaneously, what is the time interval between successive maxima ?

When interference is produced by two progressive waves of equal frequencies, then the maximum intensity of the resulting sound are N times the intensity of each of the component waves. The value of N is