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There are certain materials developed in...

There are certain materials developed in laboratories which have a negative refractive index, Fig. A ray incident from air (medium 1) into such a medium (medium 2) shall follow a path given by
.

A

B

C

D

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The correct Answer is:
A
(a) The negative refractive index materials are those in which incident ray from air (medium 1) to them refract or bend diferently to that of positive refractive index.
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DC PANDEY ENGLISH-RAY OPTICS-Exercise
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  3. There are certain materials developed in laboratories which have a neg...

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  4. Human eyes are most sensitive to the wavelength of

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  5. The reason for shining of air bubble in water is

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  7. A short pulse of white light is incident from air to a glass slab at n...

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  8. Which of the following can form a virtual,erect and magnified image?

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  9. The sky would appear red instead of blue if

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  10. A ray of light is incident on the surface of seperation of a medium at...

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  11. Which of the following quantities increase when wavelength of light is...

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  12. Sun is visible a little before the actual sunrise and until a little a...

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  13. In opticle fibres,the refractive index of the core is

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  15. A point object is placed at the center of a glass sphere of radius 6cm...

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  16. An object has image thrice of its original size when kept at 8 cm and ...

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  17. If there had been one eye of the man, then

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  18. A transparent plastic bag filled with air forms a concave lens. Now, i...

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