Physics, asked by kavya8564, 1 year ago

14. The radil of the two sphérical surfaces of a double concave lens are 30 cm and
60 cm respectively. The refractive index of material of lens = 1.5. The focal
length of lens is

Answers

Answered by mohdharis799

1

A/c to lens macker formula

Ans pic m diya gya h complt ans

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