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In the context of Doppler effect in ligh...

In the context of Doppler effect in light, the term red shift signifies

A

Decrease in frequency

B

Increase in frequency

C

Decrease in intensity

D

Increase in intensity

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The correct Answer is:
A
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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
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  2. The 6563 Å H(2) line emitted by hydrogen in a star is found to be red ...

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

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  4. A slit of width is illuminated by white light. For red light (lambda=6...

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

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

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

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

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

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  10. To observe diffraction, the size of the obstacle

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  11. In a single slit diffraction pattern

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  12. Diffraction and interference of light refers to -

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

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  14. A polariser in used to

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  15. Light waves can be polarised as they are

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

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

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  18. Which of the following cannot be polarised?

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

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

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