when lens of refractive index n1is placed ina liquid of refractive index n2 the lens looks to be disappeared only if
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n1 and n2 are equal then only it will disappear
Nitin11113:
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Answer:
when n1= n2
Explanation:
when n1 and n2 are equal, the entire system of lens and liquid behaves like a single medium as light passes through it undeviated. Hence, lens appears to be vanished
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