Physics, asked by vandana1656, 11 months ago

three lens of powers+7D,-2D,+4D are kept in contact, the total power of the combination is

Answers

Answered by Anonymous

7

Answer:

7D-2D+4D = 9D.

✔️Hope it will help you.✔️

Answered by ParamPatel

4

Answer:

RAY OPTICS

Explanation:

★ COMBINATION OF LENSES ★

♠ EQUIVALENT POWER = P1 + P2 + P3

P (eq.) = 7D + (-2D) + 4D = +9D

ANSWER :- COMBINATION HAS POWER OF 9 DIOPTRES.

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