The relation between the linear magnification m, the object distance u and the focal length f for a spherical mirror is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

m=f−uf

m=ff−u

m=f+uf

m=ff+u

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

∵m=−vu also 1f=1v+1u⇒uf=uv+1 ⇒−uv=1−uf⇒−vu=ff−u so m=ff−u

Watch 3-min video & get full concept clarity