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How light maintain its speed after refraction? -(Naveen Saxena asked)
The speed of light in a medium is constant. When light enters from one medium to another, there is a change in the speed of light and the change is almost instantaneous. The speed of light in a medium depends on the electric and […]
Alpha particle and a proton are accelerated from rest by the same potential. Find the ratio of their de- broglie wavelength
(Asked by Amritha)
Charge of alpha particle = 2e
Mass of alpha particle = 4 u
Charge of proton = e