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The distance between a 10 cm tall candle and the reflecting surface of a concave mirror is 40 cm. the radius of curvature of the mirror is 25 cm. now,
a. what is the focal length of the mirror

Respuesta :

Cetacea

Focal length of concave mirror=

Explanation:

The focal length is given by

[tex] f= \frac{R}{2} [/tex]

R= radius of curvature=25 cm

[tex] f= \frac{25}{2} [/tex]

f= 12.5 cm

Thus the radius of curvature of the concave mirror= 12.5 cm

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