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Paraxial Approximation

Fill in the b...

Question

Fill in the blanks:
The center of the reflecting surface of a spherical mirror is called _______ .

A

Center of curvature

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B

Pole

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C

Focus

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D

Radius

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Solution

The correct option is B Pole
Pole is a point in the center of the reflecting surface of a spherical mirror which lies on the surface of the mirror. Also it is the midpoint of the aperture of the spherical mirror and usually represented by the letter P.

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