Science, asked by shawmanju2598, 9 months ago

A convex lens A of focal length 20 cm and a concave lens B of focal length 5 cm are kept along the same axis with a distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then the distance d in cm will be
A. 25
B. 15
C. 30
D. 50

Answers

Answered by adityabiswas4u

1

Answer:

the answer of this is 50

Explanation:

Answered by hari1865

1

Answer:

Answer:the answer for your question is option d is the answer for your question OK follow me please mark my answer as brainlest answer

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