Question

when an object is placed at a distance of 50cm from a concave spherical mirror produced magnification -1/2.where should be object be placed to get magnification -1/5. ​

Answer 1

Answer:

-125 cm

Explanation:

u=-50cm

m=-1/2

f= ?

using

u=f(m-1/m)

f= -25cm

for m=-1/5

u=-125 cm