waves

Related Questions

• When a longitudinal wave propagates through a medium, the particles of the medium execute simple harmonic oscillations about their mean positions. These oscillations of a particle are characterised by an invariant

  ---

• A man standing on a cliff claps his hand hears its echo after 1 sec. If sound is reflected from another mountain and velocity of sound in air is 340 m/sec. Then the distance between the man and reflection point is

  ---

• The frequency of the sinusoidal wave $y=0.40\cos [2000\,t+0.80\,x]$ would be

  ---

• Two tuning forks, A and B, give 4 beats per second when sounded together. The frequency of A is 320 Hz. When some wax is added to B and it is sounded with A, 4 beats per second are again heard. The frequency of B is

  ---

• A source emits a sound of frequency of 400 Hz, but the listener hears it to be 390 Hz. Then

  ---