YOUNG's experiment

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In a young's double slit exper. , light of wavelength 6000 AÂ° is used to produce fringes of width 0.8 mm at a distance of 2.5 m . If the whole apparatus is dipped in a liquid of refractive index 1.6 the fringe width will be

A) 0.2 mm B) 0.4 mm C) 0.6 mm D) 0.5 mm

#Physics #Optics

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6 Answers

Pritish Chakraborty ·2010-04-27 06:29:54

B" = B/mew

=> B" = 0.8/1.6 = 1/2 mm =0.5 mm

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The Enlightened One - jsg ·2010-04-27 06:32:26

If YDSE appartus is immersed in a liquid of refractive index u,then wavelength of light decreases .

It results in a decrease in width of fringes by Î¼ times

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aposlil ·2010-04-27 06:33:59

So, it is 0.5mm

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Manmay kumar Mohanty ·2010-04-27 06:35:10

correct [1]

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aposlil ·2010-04-27 06:36:10

[6][4]

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The Enlightened One - jsg ·2010-04-27 07:03:34

[102]

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YOUNG's experiment

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