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Draw the Intensity Distribution for the Diffraction Bands Produced Due to Single Slit ? - Physics

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Question

Draw the intensity distribution for the diffraction bands produced due to single slit ?

Solution

Intensity distributions the diffraction bands produced due to single slit

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2016-2017 (March) Foreign Set 3

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What is 'diffraction of light'


In a single slit diffraction pattern, the distance between first minima on the right and first minima on the left of central maximum is 4 mm. The screen on which the pattern is displaced, is 2m from the slit and wavelength of light used is 6000Å. Calculate width of the slit and width of the central maximum.


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(c)`d sintheta=lambda`

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Four identical monochromatic sources A, B, C, D as shown in the (Figure) produce waves of the same wavelength λ and are coherent. Two receiver R1 and R2 are at great but equal distances from B.

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Draw the graph showing intensity distribution of fringes with phase angle due to diffraction through a single slit. What is the width of the central maximum in comparison to that of a secondary maximum?


In a diffraction pattern due to a single slit, how will the angular width of the central maximum change, if orange light is used in place of green light?

Justify your answer.


In a diffraction pattern due to a single slit, how will the angular width of the central maximum change, if the screen is moved closer to the slit?

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