Now users at Ask Physics can add equations to their comments and questions.

Ask Physics has installed the Latex server and now users can type latex code to insert complex equations to their comments or questions. If you are not familiar with latex code, use the following site to generate the code for the equation that you need. http://www.codecogs.com/latex/eqneditor.php When you visit the above site you can edit […]
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How light maintain its speed after refraction?

How light maintain its speed after refraction? -(Naveen Saxena asked) Answer: 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 […]
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de Broglie Wavelength

Alpha particle and a proton are accelerated from rest by the same potential. Find the ratio of their de- broglie wavelength (Asked by Amritha)  Answer: Charge of alpha particle = 2e Mass of alpha particle = 4 u Charge of proton = e mass of proton = u The energy acquired by proton when accelerated […]
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