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Parallel rays of light are falling on co...

Parallel rays of light are falling on convex sphere surface of radius of curvature R = 20 cm as show. Refractive index of the medium is `mu = 1.5`. A refraction from the spherical surface parallel rays

A

actually meet at some point

B

appear to meet after extending the refracted rays backwards

C

meet (or appear to meet) at a distance of 30 cm from the spherical surface

D

meet (or appear to meet) at a distance of 60 cm from the spherical surface.

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The correct Answer is:
A, D
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DC PANDEY-RAY OPTICS-B. More than one option is correct
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  2. For a concave mirror of focal length f, image is 2 times larger. Then ...

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  3. For a concave mirror of focal length f, image is 2 times larger. Then ...

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  4. Focal length of a lens in air is f. Refractive index of the lens is mu...

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  5. For what position of an object, a concave mirror forms a real image e...

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  6. Refractive index of an equilateral prism is sqrt(2).

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  7. Write laws of refraction. Explain the same with the help of ray diagra...

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  8. A ray of light of wavelength u(0) and frequency v(0) enters a glass sl...

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  9. There are three optical media 1,2 and 3 with the refractive indices mu...

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  10. Parallel rays of light are falling on convex sphere surface of radius ...

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  11. For a mirror linear magnification m comes out to +2. What conclusions ...

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  12. A convex lens made of glass (mu(g)=3//2) has focal length f in air. Th...

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  13. A converging lens is used to form an image on a screen. When the upper...

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  14. A ray of light travelling in a transparent medium falls on a surface s...

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  15. A horizontal ray of light passes through a prism whose apex angle is 4...

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  16. The image (of a real object) formed by a concave mirror is twice the s...

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  17. Two refracting media are separated by a spherical interface as shown i...

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  19. A plane mirror placed at the origin has hat(i) as the normal vector to...

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  20. A ray of light moving along a vector (3sqrt(2) hat(i)-3 hat(j)-3 hat(k...

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