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When a compact disc is illuminated by a ...

When a compact disc is illuminated by a source of white light, coloured lines are observed. This is due to

A

Dispersion

B

Diffraction

C

Interfernce

D

Refraction

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. Angular width (beta) of central maximum of a diffraction pattern on a ...

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

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

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

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  5. To observe diffraction, the size of the obstacle

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  6. In a single slit diffraction pattern

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  7. Diffraction and interference of light refers to -

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  8. The limit of resolution of an optical instrument arises on account of

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  9. A polariser in used to

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  10. Light waves can be polarised as they are

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  11. Through which character we can distiguish the light waves from sound w...

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

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  13. Which of the following cannot be polarised?

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  14. Unpolarised light of intensity I is passed through a polaroid. What is...

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  15. Refractive index of material is equal to tangent of polarising angle. ...

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  16. Two polrizers are oriented with transmission planes making an angle of...

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  17. In case of linearly polarised light, the magnitude of the electric fie...

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  18. When the angle of incidence on a material is 60^(@), the reflected lig...

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  19. For the sustained interference of light, the necessary condition is th...

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  20. Which of the following is conserved when light waves interfere

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