In a solenoid of length (i) 40 cm, a current of 12.0 A circulates and the magnetic field inside it is 27 mT. a) Determine the number of turns of the solenoid. b) Calculate the length of the wire (L) if the diameter of a loop is 2.8 cm.

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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.