Question

25. A thin lens of focal lenght 10 cm is immersed in water (4 = 1.33). Wha
is its new focal length ?
11) 10 cm
(2) 20 cm
(3) 30 cm
(4) 40 cm​

Answer 1

Answer:

20cm is A thin lens of focal lenght 10 cm is immersed in water (4 = 1.33). Wha

is its new focal length

Explanation:

A thin lens of focal lenght 10 cm is immersed in water (4 = 1.33). Wha

is its new focal length