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In Young's double slit experiment when t...

In Young's double slit experiment when two light waves form third minimum intensity they have

A

Phase difference of `3pi`

B

Path difference of `3lambda`

C

Phase difference of `(5pi)/2`

D

Path difference of `(5lambda)/2`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. In a Young’s double slit experiment, the source illuminating the slits...

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  2. If a torch is used in place of monochromatic light in Young's experime...

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  3. In Young's double slit experiment when two light waves form third mini...

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  4. It is believed that the universe is expanding and hence the distant st...

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  5. The 6563 Ã… H(alpha) line emitted by hydrogen in a star is found to be...

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  6. In the context of Doppler effect in light, the term red shift signifie...

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  7. A slit of width a is illuminated by white light. The first minimum for...

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  8. The bending of light about corners of an obstacle is called

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  9. Angular width (beta) of central maximum of a diffraction pattern on a ...

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  10. Red light is generally used to observe diffraction pattern from single...

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  11. When a compact disc is illuminated by a source of white light, coloure...

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  12. For what distance is ray optics a good approximation when the aperture...

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  13. To observe diffraction, the size of the obstacle

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  14. In a single slit diffraction pattem

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  15. Diffraction and interference of light refers to -

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  16. A polariser in used to

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  17. Light waves can be polarides as they are

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  18. Through which character, we can distinguish the light waves form sound...

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  19. The angle of polarisation for any medium is 60^(@) , what will be crit...

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  20. Which of the following cannot be polarised?

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