Physics, asked by jnagathulasi, 6 months ago

if the focal length of the convex lens is 7.5cm when it is kept in air,then refractive index of material of the lens is​

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Answered by aditit867
6

Answer:

The focal length of a convex lens of refractive index 1. 5 is f when it is places in air. · >3/2 · <( 3/2) and >1 · <3/2 · all of these · State whether true ...

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