Question

find the size nature and possessive of image formed when an object of size 1 cm is placed at the distance of 15 cm from the concave mirror of focal length 10cm​

Answer 1

Answer:nature of image is real and virtual

Explanation: 1/v+1/u=1/f

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

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

1/u=1/10-(-1/15)

1/u=15-(-10)/150

1/u=15+10/150

1/u=25/150

1/2u=1/6

u=6cm

M=u1/u2

=6/1

=6cm