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A pipe Pc closed at one end and pipe Po open at both ends are vibrating in second overtone. They are in resonance with a given tuning fork. The ratio of the length of pipe Pc to that of pipe Po is: (Neglect end correction)

Stationary waves of frequency 300 Hz are formed in a medium in which the velocity of sound is 1200 m/s. The distance between a node and the neighboring antinode is

Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is

Two waves represented by y1 = A1 sin(ωt−kx) and y2 =A2 cos(ωt−kx) are superposed. The resultant wave will have an amplitude

Sound wave of frequency v=600Hz fall normally on a perfect reflecting wall. The shortest distance from the wall at which particles of the medium will have maximum displacement during its vibrations is [speed of sound =300 m/s^-1]

The velocity of sound in air is 330 m/s^-1. The r.m.s. velocity of air molecules (ɣ = 1.4) is approximately equal to

A wave travelling in positive x−direction with A=0.2m has a velocity of 360m/s. If λ=60m, then correct expression for the wave is

If the phase difference between the two wave is 2p during superposition, then the resultant amplitude is

Two waves y1=A1 sin (Q1) and y2=A2 sin (Q2) superimpose to form a resultant wave whose amplitude is

A travelling wave represented by y = A sin(ωt – kx) is superimposed on another wave represented by y =A sin (ωt + kx). The resultant is

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