Question

If the refractive index of glass is 3/2 and the refractive index of water is 3/4 , then what will be the refractive index of water relative to glass??​

Answer 1

(3/4)/(3/2)

=2/4

=1/2

refractive index of water relative to glass=1/2

Answer 2

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refractive index of water / refractive index of glass

= (3/4)÷( 3/2)

= 1 /2

hope it helps

so cancave lens

u is - ve

v is - ve becaz it always forms virtual image

f is - ve

convex lens

u is - ve

v is + ve for real images

and v is - ve for virtual images

f is + ve

hope it helps

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