Problem 3: Monochromatic light of wavelength 441 nm is incident on a narrow slit. On a screen 2.00 m away, the distance between the second diffraction minimum and the central maximum is 1.50 cm. of the second minimum. (a). Calculate the angle of diffraction (b). Find the width of the slit.

Problem 3: Monochromatic light of wavelength 441 nm is incident on a narrow slit. On a screen 2.00 m away, the distance between the second diffraction minimum and the central maximum is 1.50 cm. of the second minimum. (a). Calculate the angle of diffraction (b). Find the width of the slit.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 38P: A monochromatic light of wavelength 589 nm incident on a double slit with slit width 2.5 m and...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Problem 3:
Monochromatic light of wavelength 441 nm is incident on a narrow slit. On a screen 2.00 m away, the distance
between the second diffraction minimum and the central maximum is 1.50 cm.
of the second minimum.
(a). Calculate the angle of diffraction
(b). Find the width of the slit.

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