2. Light from a He-Ne laser (2. = 632.8 nm) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.40 m from the slits. The figure shows the 23.0 mm interference pattem observed on the screen. What is the slit separation?

2. Light from a He-Ne laser (2. = 632.8 nm) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.40 m from the slits. The figure shows the 23.0 mm interference pattem observed on the screen. What is the slit separation?

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter36: Wave Optics

Section: Chapter Questions

Problem 9P: Coherent light rays of wavelength strike a pair of slits separated by distance d at an angle 1 with...

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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

2. Light from a He-Ne laser (2 = 632.8 nm) strikes a pair of slits at
normal incidence, forming a double-slit interference pattern on a
screen located 1.40 m from the slits. The figure shows the
23.0 mm
interference pattern observed on the screen. What is the slit
separation?

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