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Question
Define the term Principle focus.
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Solution
Principal focus of a spherical mirror is a point on the principal axis of the mirror, where all the rays travelling parallel to the principal axis and close to it after reflection from the mirror, converge to or appear to diverge from.
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RELATED QUESTIONS
A virtual image larger than the object can be produced by a ______.
Name the kind of mirror used to obtain
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Write the spherical mirror's formula and explain the meaning of each symbol used in it.
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