Waves Test - 50...

If two waves of same frequency and same amplitude respectively, on superimposition produced a resultant disturbance of the same amplitude, the waves differ in phase by

A stationary point source of sound emits sound uniformly in all directions in a non-absorbing medium. Two points P and Q are at a distance of 4 m and 9 m respectively from the source. The ratio of amplitudes of the waves at P and Q is

Two waves are propagating to the point P along a straight line produced by two sources A and B of simple harmonic and of equal frequency. The amplitude of every wave at P is \'a\' and the phase of A is ahead by π/3 than that of B and the distance AP is greater than BP by 50 cm. Then the resultant amplitude at the point P will be, if the wavelength is 1 meter

Coherent sources are characterized by the same

The minimum intensity of sound is zero at a point due to two sources of nearly equal frequencies, when

If two waves having amplitudes 2A and A and same frequency and velocity, propagate in the same direction in the same phase, the resulting amplitude will be

Out of the given four waves (1), (2), (3) and (4)
y = a sin (kx + ωt) ... (1)
y = a sin (ωt – kx) ... (2)
y = a cos (kx + ωt) ... (3)
y = a cos (ωt – kx) ... (4)
emitted by four different sources S₁, S₂, S₃, and S₄ respectively, interference phenomena would be observed in space under appropriate conditions when

Two waves of same frequency and intensity superimpose with each other in opposite phases, then after superposition the

The superposing waves are represented by the following equations :
y₁ = 5 sin 2π(10t – 0.1x), y₂ = 10 sin 2π(20t – 0.2x)
Ratio of intensities I_max / I_min will be