Physics, asked by naveennave, 11 months ago

name the type of lens in its power is -20 D find the focal length of this lens

Answers

Answered by anithasekar2004

3

Answer:

concave lens is used here

Explanation:

F = -0.05 is the focal length

Answered by mukhneha27

2

Answer:

convex lens

Explanation:

2 F = -4

kamdoa

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