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When a beam of light is used to determin...

When a beam of light is used to determine the position of an object, the maximum accuracy is achieved if the light is

A

polarised

B

of longer wavelength

C

of shorter wavelength

D

of high intensity

Text Solution

Verified by Experts

The correct Answer is:
A
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CP SINGH-WAVE NATURE OF LIGHT-EXERCISES
  1. In the propagation of electromagnetic waves the angle between the dire...

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

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  3. When a beam of light is used to determine the position of an object, t...

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  4. Which of the following diagrams represent the veriation of electric fi...

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  5. A ray of light is incident on the surface of a glass plate at an angle...

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  6. When light is incident on a transparent surface at the polarising angl...

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  7. The angle of incidence at which reflected light is totally polarized f...

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  8. The angle of polarisation for any medium is 60^@. What will be critica...

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

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  10. Plane polarised light is passed through a polaroid. On viewing through...

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  11. A beam of light AO is incident on a glass slab (mu=1.54) in a directio...

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  12. The graph showing the dependence of intensity of transmitted light on ...

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  13. When an unpolarized light of intensity I0 is incident on a polarizing ...

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  14. Four polaroids are placed such that the optic axis of each is inclined...

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  15. Two polaroids are placed in the path of unpolarized beam of intensity ...

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  16. A beam of unpolarised light is passed first through tourmaline crystan...

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  17. An optically active compound

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  18. the reason of seeing the sun a little before the sunrise is

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  19. Check the correct statements on scattering of light S1: Rayleigh sca...

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  20. If the ratio of amounts of scattering of two light waves is 1:4, the r...

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