Science, asked by khlokeshmurthy, 11 months ago

name the type of lens if its power is -20 degree and the focal length of this lens

Answers

Answered by Akshat200420

0

Answer: focus = -5 cm

Type of lens - concave lens

Explanation:

Formula for power = 1/focus (in meters)

Concave lens has negative focus therefore the above .

Hope this helped

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