Waves Test - 40...

Identify the correct statement:

A stationary wave is represented by the equation, $$y = 3 \cos(x/8) \sin(15t)$$ where $$x$$ and $$y$$ are in $$cm$$ and $$t$$ is in $$seconds$$. The distance between the consecutive nodes is (in $$cm$$):

Two points on a travelling wave having frequency $$500 Hz$$ and velocity $$300{ m }/{ s }$$ are $${ 60 }^{ o }$$ out of phase, then the minimum distance between the two points is

Stethoscope of doctors for finding quality, strength and frequency of human heart beat is based on the principle of

A weight of 5 kg is required to produce the fundamental frequency of a sonometer wire. What weight is required to produce its octave?

On watching the graphical representation of different waves which of the following does not have energy carrying capacity

A stationary wave is a multidimensional variant depending on

The amplitude of resulting wave dues to superposition of $$y_1 = A sin (t -kx)$$ & $$y_2 = A sin (t -kx + \delta)$$ is

Sum of two mechanical waves travelling in any direction (having the same frequency),