An electron moving with a velocity = (2.5 x 10° m/s)j enters a region of space where perpendicular electric and magnetic fields are present. The magnetic field is B = (-13 x 10* T)i + (5.8 x 10oʻ TJE. Find the electric field (in î. j. k notation) that will allow the electron to go through this region un-deflected (in a straight line).

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Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.