Question

plz solve this question​

Answer 1

Answer:

u=60

hi=1.6

Step-by-step explanation:

Gn

F=5cm

ho=5cm

v=15cm

To find u,hi

Solve

1/f=1/v-1/u

1/20=1/15-1/u

=3/60-4/60

u=-60

hi/ho=v/u

hi=15*5/60

hi=1.6cm