Question

what is the focal power of a spherical mirror or lens? what may be the reason for using P=1/f it's expression?​

Answer 1

Answer:

ofical power focusing power

Answer 2

Answer:

HERE IS YOUR ANS. MATE...

Explanation:

OPTICAL POWER IS THE DEGREE TO WHICH A LENS, MIRROR, OR OTHER OPTICAL SYSTEM CONVERGES OR DIVERGES LIGHT...

@_@

P=1/F

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