Question

Define focal length of a spherical mirror, find out the relation between u

v and F for spherical mirror

Answer 1

The distance between the pole and the Focus is called focal lenght.

1/f=1/v+1/u

Answer 2

heya!!

•the distance between the focus and the pole of spherical mirror is termed as it's focal length

•and focus is the point of intersection at which the line paraller to principal axis meet or happen to meet is called focus.

•the relation between u(distance of object from pole),v(distance

of image from pole) and f(focal length) is

1/f=1/v+1/u

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