Plane waves through a narrow gap emerge as circular waves...
Plane waves through a narrow gap emerge as circular waves. This phenomenon is known as
interference
dispersion
refraction
diffraction
Correct answer is D
Diffraction refers to the various things that occur when a wave encounters an obstacle. This bending of the wave after it passes a small gap is an example of diffraction.
Palm oil from a bottle flows out more easily after it as been heated because the ...
A progressive wave equation is represented by y = a sin(150 πt - πx/4). if the phase differenc...
The linear expansivity of brass is 2 x 10−5 C−1. If the volume of a piece of brass is ...
The pitch of an acoustic device can be increased by ...
The silvered surface in a vacuum flask reduces heat loos due to ...