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A point objects is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of the sphere is |
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a) |
2 cm |
b) |
4 cm |
c) |
6 cm |
d) |
12 cm |
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A point objects is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of the sphere is |
|||||||
|
a) |
2 cm |
b) |
4 cm |
c) |
6 cm |
d) |
12 cm |
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(c) When the object is placed at the center of the glass sphere, the rays from the object fall normally on the surface of the sphere and emerge undeviated. |