A pair of narrow, parallel slits separated by 0.120 mm is illuminated by the green component from a mercury vapor lamp ( λ= 546.1 nm). The interference pattern is observed on a screen 1.51 m from the plane of the parallel slits. (a) Calculate the distance from the central maximum to the first bright region on either side of the central maximum. 4.052 mm 5.633 mm 6.872 mm 9.346 mm (b) Calculate the distance between the first and second dark bands in the interference pattern. 4.052 mm 5.633 mm 6.872 mm 9.346 mm

A pair of narrow, parallel slits separated by 0.120 mm is illuminated by the green component from a mercury vapor lamp ( λ= 546.1 nm). The interference pattern is observed on a screen 1.51 m from the plane of the parallel slits. (a) Calculate the distance from the central maximum to the first bright region on either side of the central maximum. 4.052 mm 5.633 mm 6.872 mm 9.346 mm (b) Calculate the distance between the first and second dark bands in the interference pattern. 4.052 mm 5.633 mm 6.872 mm 9.346 mm

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter35: Diffraction And Interference

Section: Chapter Questions

Problem 44PQ

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

Question

(a) Calculate the distance from the central maximum to the first bright region on either side of the central maximum.

4.052 mm

5.633 mm

6.872 mm

9.346 mm

(b) Calculate the distance between the first and second dark bands in the interference pattern.

4.052 mm

5.633 mm

6.872 mm

9.346 mm

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