List of top Physics Questions on Electromagnetic waves asked in Haryana PMT

When two sinusoidal waves moving at right angle to each other superimpose, they produce

Damping on sharpness of resonance has

In a stationary wave represented by $Y =2 a \cos kx \sin \omega t$ the intensity at a certain point is maximum when

A transverse wave propagating along x-axis is represented by $ y(x,t)=8.0\sin \left( 05\pi x-4\pi t-\frac{\pi }{4} \right) $ where $x$ is in metre and $t$ is in second. The speed of the wave is

A fire screen produces sensation of cooling as :