Question

2. A convex lens of focal length 32 cm forms a virtual image of double the size
of the object. What is the distance of the object from the lens.
(a) 16 cm (b) 32 cm
(c) 10 cm (d) None of the above pls find answer

Answer 1

Answer:Explanation:

F=+32 cm

M=+2

FOR LENS

M=v/u

2u=v

1/f=1/v+1/u

1/32=1/2u+1/u

1/32=3/2u

u=48 cm

Ans D none of the above