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A plane wave front falls on a convex le...

A plane wave front falls on a convex lens. The emergent wave front is

A

plane

B

diverging spherical

C

converging spherical

D

none of these

Text Solution

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The correct Answer is:
C
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PRADEEP-OPTICS-Exercise
  1. The lens of human eye has a diameter of 0.8 cm. How much fainter star ...

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  2. Out of speed, frequency and wavelength, name the parameter (s) which r...

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  3. A plane wave front falls on a convex lens. The emergent wave front is

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  4. Out of electric field vector, vec(E) and magnetic field vector, vec(B)...

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  5. When a wave undergoes reflection at a denser medium, what happens to i...

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  6. In YDSE, when separation between two slits is increased, fringe width

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  7. In Young's double slit experiment, three lights, blue, yellow and red ...

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  8. The phase difference between two points A and B on a wavefront separat...

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  9. what type of wavefront will emerge from (i) a point source and (ii) di...

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  10. In Young's double slit experiment, the intensity of central maximum is...

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  11. What is the ratio of slit widths when amplitudes of light waves from t...

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  12. Which phenomena establish the wave nature of light ?

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  13. A wavefront is……….of all the particales of a medium which are…………….. .

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  14. The rays are…………………..to the…………whatever be its shape.

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  15. A wavefront is propagated………….. .

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  16. According to superposition principle, the………….at any instant is equal ...

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  17. The sources which emit continous light waves of same wavelength//frequ...

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  18. Interference of light is the phenomenon of……….in a medium on account o...

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  19. The condition for constructive interference at a point is that…………..be...

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  20. In interference, all……………..and…………..are of……………width.

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