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Calculate angular width of central maxim...

Calculate angular width of central maxima if `lamda=6000Å,a=18xx10^(-5)cm`=

A

`20^(@)`

B

`40^(@)`

C

`30^(@)`

D

`260^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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ALLEN -WAVE OPTICS-Exercise 1 (Check your Grasp)
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  2. Red light is generally used to observe diffraction pattern from single...

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  3. Calculate angular width of central maxima if lamda=6000Å,a=18xx10^(-5)...

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  4. In single slit fraunhoffer diffraction which type of wavefront is requ...

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  5. In the diffraction pattern of a single slit aperture, the width of the...

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  6. Central fringe obtained in diffraction pattern due to a single slit-

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  7. In a single slit diffraction pattern, if the light source is used of l...

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  8. In the laboratory, diffraction of light by a single slit is being obse...

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  9. Find the half angular width of the central bright maximum in the fraun...

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  10. In a fraunhofer's diffraction by a slit, if slit width is a, wave leng...

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  11. In a fraunhofer's diffraction obtained by a single slit aperture, the ...

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  12. A polariser in used to

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  13. Light waves can be polarised as they are

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

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  15. The angle of polarisation for any medium is 60^(@), what will be the c...

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  16. The angle of incidence at which reflected light totally polarised for ...

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  17. A polaroid is placed at 45^@ to an incoming light of intensity I0. Now...

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

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

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  20. A beam of light strikes a glass plate at an angle of incident 60^(@) a...

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