A plano - convex lens is made of flint glass. Its focal length is

Question

A plano - convex lens is made of flint glass. Its focal length is

A plano - convex lens is made of flint glass. Its focal length is
A. inversely proportional to the wavelength of light
B. longer for red than for blue
C. longer for blue than for red
D. the same for all colours

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Focal length of lens is independent of wavelength.

6 views Answered 2023-02-05 15:29