Question

An object is placed at distance of a 10cm
from a concave mirror of focal length 15cm.
find the position and nature of the image find
the magnification?​

Answer 1

Answer:

v =-10cm

focal length =-15cm

mirror formula =1/f=1/v+1/u

Explanation:

1/-15=1/-10+1/u

1/u=1/-10+1/15

1/u=1/30

so,position=u=30cm

magnification=30/10

=3

nature=virtul and erect