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A point object is placed at the center o...

A point object is placed at the center of a glass sphere of radius 6cm and refractive index 1.5. The distance of virtual image from the surface is

A

2 cm

B

4 cm

C

6 cm

D

12 cm

Text Solution

Verified by Experts

The correct Answer is:
C

When the object is placed at the centre fo the glass sphere, the rays from the sphere and emerge undeviated .
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ALLEN-GEOMETRICAL OPTICS-EXERCISE-05 (B)
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  6. A point object is placed at a distance of 20 cm from a thin plano-conc...

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  14. A ray of light travelling in the direction (1)/(2)(hati,+sqrt3hatj) is...

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  15. The image of an object, formed by a plano-convex lens at a distance of...

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  16. A right angled prism of refractive index mu(1) is placed in a rectangu...

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  17. A point source S is placed at the botton of a transparent block of hei...

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  18. Four combinations of two thin lenses are given in List I. The radius o...

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  19. Two identical glass rods S(1) and S(2) (refractive index =1.5) have on...

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