Question

a child is not able to see the blackboard clearly . what is the defect and what are its correction​

Answer 1

Child is suffering from myopia

Myopia is the defect in which a person is unable to see far things

Nd by concave lens of suitable power child can see the blackboard clearly.

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Hope it helps!!

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Answer 2

Answer:

agar koi urgent baat karna hai toh, mujhe koi aapni id do Jaise sanpchat aage aapki merji

take care!