List of top Physics Questions on Waves asked in JEE Main

An engine approaches a hill with a constant speed. When it is at a distance of $0.9\, km$, it blows a whistle whose echo is heard by the driver after $5$ seconds. If the speed of sound in air is $330\, m/s$, then the speed of the engine is :
A sonometer wire of length $114\, cm$ is fixed at both the ends. Where should the two bridges be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio $1 : 3 : 4$ ?
What should be the length of a half-wave dipole antenna for a carrier wave having frequency 3×108 Hz?
A wave on a string is described by u(x,t)=0.005 sin (6.28x-314t) in which all quantities are in SI units. It's wavelength is _______.
A wave is given by the equation y= Asin{ π(330t-x) },then frequency of the wave is
The organ pipe having same length, one is open while the other is closed. Find ratio of 7th overtone of those organ pipes.