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Chapter 35, Problem 34P

(I) A source produces first-order lines when incident normally on a 12,000-line/cm diffraction grating at angles 28.8°, 36.7°, 38.6°, and 47.9°. What are the wavelengths?

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(a) A diffraction grating is just able to resolve two lines of1 = 5140.3 A° and 5140.85 Aº in the first order. Will it resolve the lines 8037.50 A° and 8037.90 A° in the second order.
(i.) At what angle do you observe the 4th order maximum relative to the central maximum when 400 nm light is incident normally on two slits separated by 0.025 mm? (a) 1.83◦ (b) 2.75◦ (c) 3.67◦ (d) 4.13◦ (e) None of the above       (ii.) At what angle do you observe the 3rd order minimum? Set-up is the same as above and with a slit separation of 0.025 mm. (a) 2.29◦ (b) 3.45◦ (c) 5.58◦ (d) 1.79◦ (e) None of the above
(i.) At what angle do you observe the 4th order maximum relative to the central maximum when 400 nm light is incident normally on two slits separated by 0.025 mm? (a) 1.83◦ (b) 2.75◦ (c) 3.67◦ (d) 4.13◦ (e) None of the above (ii.) At what angle do you observe the 3rd order minimum? Set-up is the same as above and with a slit separation of 0.025 mm. (a) 2.29◦ (b) 3.45◦ (c) 5.58◦ (d) 1.79◦(e) none of the above

Chapter 35 Solutions

Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Physics For Scientists & Engineers With Modern Physics (5th Edition)

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