Question

plz solve this question ​

Answer 1

Given,

The image distance from the mirror,v=-60

The distance of object from the mirror,u=15

(i)1/f=1/v+1/u

1/f=1/15-1/60

= (4-1)/60

=3/60

=1/20

f=20 cm

(ii)m=-v/u

= -(-60)/15

= +4

(iii)Convex Lens erect,virtual and magnified

Answer 2

give me first my questions ans tumne muje dhoka kyu diya