Interference fringes of the 1st order, created on the screen on one and the other side of the central axis in a double-slit experiment, are spaced 1.5 mm apart with a slit separation of 0.45 mm. The distance from the screen to the double-slit is 120 cm. Determine the wavelength of the light used.

Interference fringes of the 1st order, created on the screen on one and the other side of the central axis in a double-slit experiment, are spaced 1.5 mm apart with a slit separation of 0.45 mm. The distance from the screen to the double-slit is 120 cm. Determine the wavelength of the light used.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 6P

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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.

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