Question

slove the question class 10​

Answer 1

Answer:

here, u=-15cm, f=12cm, h1=2cm,v=?,h2=?

using lens formula,

1/f=1/v-1/u

1/v=1/12+1/(-15)

1/v=1/60

v=60cm

hence, magnification=v/u

60/-15=h2/2

=h2=-8cm

hence , image formed us real and inverted.

-ve sign shows the inverted image .

hence, the size of image is 8cm