Question
A man can see clearly up to 3 metres. Prescribe a lens for his spectacles so that he can see clearly up to 12 metres
Answer: Option C
:
C
By using f=xyx−y⇒f=3×123−12=−4m. Hence power P=1f=−14D
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:
C
By using f=xyx−y⇒f=3×123−12=−4m. Hence power P=1f=−14D
Was this answer helpful ?
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