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.
The relationship between L and the wavelength I of the stationary wave is ...
A milliameter of resistance 5Ω and full scale deflection of 5m A is to used to measure a po...
Which of the following phenomena CANNOT be explained by the molecular theory of matter? ...
Emission spectra are caused by ...