Wave Questions

If the intensity of a wave at a distance "r" from point source is I, the intensity at distance 2r will be-

Particle displacements (in cm) in standing waves are given by y(x, t) = 2sin(0.1πx)cos(100πt). The distance between a node and the following anti node is

The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths of closed pipe to that of the open pipe is 5/x. The value of x is ________.

Two waves are represented by equations y₁ = 10 sin (ωt − kx + π/3) m y₂ = 5 sin (ωt − kx + π/6) m Where x is in metre and t in second. The phase difference between them is

Transverse waves are generated in uniform steel wires A and B by attaching their free ends to a vibrating source of frequency 500 Hz. The diameter of wire A is half that of wire B and the tension of wire A is half that of the wire B. The velocities o

The tension in a piano wire is 10N. What should be the tension in the wire to produce a note of double the frequency?

A string fixed at both ends oscillates in 5th harmonic. Wave equation given. Find length of string.