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(a) What is a wave front?How does it pro...

(a) What is a wave front?How does it propagate?Using Huygens' principle,explain reflection of a plane wavefront from a surface and verify the laws of reflection. (b) A parallel beam of light of wavelength 500 nm falls on a narrow slitand the resulting diffraction pattern is obtained on a screen 1 m away.If the first minimum is formed at a distance of 2.5 mm from the centre of screen,find the (i)width of the slit, and (ii) distance of first secondary maximum from the centre of the screen.

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RESONANCE-WAVE OPTICS-Exercise-3 (Part-3)
  1. What is is plane polarised light ? Two polaroids are placed at 90^(@) ...

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  2. What is meant by a linearly polarised light? Which type of waves can b...

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  3. How is a wavefront defined ? Using Hygen's construction draw a figure ...

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  4. (a) Light, from a sodium lamp, is passed through two polaroid sheets P...

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  5. In a Young's double slit experiment , the slits are Kept 2mm apart and...

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  6. In Young's double slit experiment ,momochromatic light of wavelength 6...

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  7. In a single slit diffraction experiment when a tiny circular obstacle ...

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  8. The diagram, given below, shows the refracton of a plane wavefront, in...

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  9. How would the angular separation of interference fringes in Young's do...

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  10. Two polaroid A and B are set in crossed positions. A third polaroid C ...

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  11. In Young's double slit experiment , the two slits 0.20 mm apart are il...

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  12. State Huygens' principle of diffraction of light.

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  13. State the importance of coherent sources in the phenomenon of interfer...

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  14. (a) What is a wave front?How does it propagate?Using Huygens' principl...

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  15. (a) Define a wavefront. Use Huygen' principle to shown diagrammaticall...

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  16. (a) Why are coherent sources necessary to produce a sustained interfer...

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  17. (a) In Young's double slit experiment, derive the condition for (i) co...

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  18. Which of the following waves can be polarized (i) Heat (ii) Sound wave...

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  19. Two wavelength of sodium light 590 nm and 596 nm are used, in turn, to...

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  20. (a) In Young's double slit experiment, describe briefly how bright and...

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