Question

8. When an object is placed at 75 cm in front of a
concave mirror, the magnification produced
by the mirror is ( -0.5). Find the focal length
of the mirror
(Ans. f = - 25 cm)​

Answer 1

Answer:

M=-v/u

-0.5=v/75

v= -37.5

now put the formula

1/v-1/u=1/f

Answer 2

Answer:

Explanation:

Refer to the attachment below.