Question

Find the focal lenght of a concave mirror when the object is placed at a distance of 25cm infant of the mirror and the image obtained at 50cm​

Answer 1

Answer:

here is your answer

u = - 25cm

v= -50cm

by mirror formula

-1/50 -1/25= 1/f

1/f = -3/50

f = -50/3 cm = -16.67cm

focal length is 16.67cm

Explanation:

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