A line source emits a cylindrical expanding wave. If the medium absorbs no energy then the amplitude will vary with distance `r` from the source as proportional to

A line source emits a cylindrical expanding wave. Assuming the medium absorbs no energy find how the ampitude and intensity of wave depend on the distance from the source?

A line source emits a cylindrical expanding wave. Assuming the medium absorbs no energy find how the ampitude and intensity of wave depend on the distance from the source?

The saturation current I of a photocell varies with distance from the source ( d ) as :

The intensity produced by a long cylindrical light source at a small distance r from the source is proportional to

The intensity produced by a long cylindrical light source at a small distance r from the source is proportional to

Source of energy in culture medium is:

Explain why the loudness of a sound note varies with the distance from the source of sound

As a spherical wavefront propagates, the amplitude (a) of a spherical wavefront varies with the distance r of the source

As a spherical wavefront propagates, the amplitude (a) of a spherical wavefront varies with the distance r of the source