4. Light incident on a pair of slits produces an interference pattern on a screen 2.5...

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Physics

4. Light incident on a pair of slits produces an interferencepattern on a screen 2.5 m from the slits. Hint: Is the small-angleapproximation justified in the following?

(a) Determine the wavelength of the light if the slit separationis 0.0150 cm and the distance between adjacent bright fringes inthe pattern is 0.760 cm.

(b) Determine the distance between adjacent dark fringes if a560 nm wavelength light source were shined through the same setup.

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3.7 Ratings (413 Votes)
aGiven separation between screen and slit D 25mSlit separation a 00150cm000015mSeparation between two adjacent    See Answer
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