Question

A convex lens of focal length 20 cm produces images of the same magnification 2 when an object is kept at two distances x₁ and x₂ (x₁ > x₂) from the lens. The ratio of x₁ and x₂ is:
(A) 5 : 3 (B) 2 : 1
(C) 4 : 3 (D) 3 : 1

Answer 1

Answer:

HELLO!

Explanation:

Magnification is 2

If image is real, x

1

=

2

3f

If image is virtual, x

2

=

2

f

x

2

x

1

=3:1.