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Refraction at a Spherical Surface

A small air b...

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A small air bubble is present exactly at the centre of a glass sphere. size of image as seen from outside is of

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Q. There is a small air bubble at the centre of a solid glass sphere of radius 'r' and refractive index

^{'} μ^{'}

. What will be the apparent distance of the bubble from the centre of the sphere, when viewed from outside?

Q. A glass sphere

(μ = 1.5)

20 c m

has a small air bubble

4 c m

below its center. The sphere is viewed from outside and along a vertical line through the bubble. The apparent depth of the bubble below the surface of sphere is (in cm) :

Q. There is a small air bubble inside a glass sphere

(μ = 1.5)

10 c m

. The bubble is

4 c m

below the surface and is viewed normally from the outside the apparent depth of the bubble is :

Q. There is a small black dot at the centre

C

of a solid glass sphere of refractive index

μ

. When seen from outside, comment on the location of the dot.

Q. There is a small black dot at the centre C of a solid glass sphere of refractive index

μ

. When seen from outside, the dot will appear to be located:

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