Question

A convex mirror has
focal-length 15 cm. At what
distance should the object
from the mirror be placed so
that it forms image at a
distance 10 cm from the
mirror? *
O a) +30 cm
O b) - 30 cm
O c) +6 cm
O d) - 6 cm​

Answer 1

Answer:

Explanation:

-30cm