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Updated on : 2022-09-05

Solution

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Correct option is A)

$v_{1}1.5 −−mR1 =∞1.5−1 $

Solving, gives $v_{1}=−(1.5mR)$

Now, again applying the lens formula for the curved surface,

$∞1 −−(1.5mR+R)1.5 =−R1−1.5 $

Solving for $m$, gives us the value of $m$ as $34 $

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