Question

Whe object is placed
30 cm infrant of
a Cancave mirror. It Image is
It a distance form 20cm.if image of real.
find focal length of mirror​

Answer 1

Answer:

50cm you are ans please mark me as a brainlist

Answer 2

Answer:

V=20cm

U=30cm

1/V+1/U=1/F

=1/-20+1/-30

=(-3+-2) /60

=-5/60

=-12

Hence, the focal length is-12 cm