Question

WRITE THE FORMULA TO FIND THE FOCAL LENGTH OF CONCAVE LENS.

Answer 1

Answer:

Study the following equation, called the "mirror equation," which relates the distance of an object (D object), the distance of the image (D image) and the focal length (F) of the mirror: 1/D object + 1/D image = I/F.

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Answer 2

Answer:

the formula for finding focal length is

1/f=1/v+1/u

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