Solve

Guides

0

Question

- 2.5 cm
- 2.0 cm
- 1.025 cm
- 1.05 cm

Open in App

Solution

Verified by Toppr

Hence, for concave lens, u=4 cm

Given, f=−20 cm

From lens formula,

1v−1u=1f

1v=14+1−20=420

v=5 cm

Magnification of lens, m=vu=54

Magnification of lens, m=hIho

⟹hI=2×1.25=2.5 cm

Was this answer helpful?

6