CBSE BOARD XII, asked by arbindtharu2075, 3 months ago

a person can't see object lying above 50cm from the eye. What is the focal length to be used to correct the defect of vision ?

Answers

Answered by patelprashant8724

1

Answer:

he should use concave lens of 4.5 mm focal length to prevent from that disease

Answered by ictcnawanshahar

0

Answer:

pata ni

Explanation:

please Mark me as brinly

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