5. Light is sent through a diffraction grating (multiple slits). It is found that the 2nd bright band (not including the centre one) is at an angle of 15.3°. The wavelength of the light is 510 nm. Calculate the density of the slits in units of (# slits / cm).

5. Light is sent through a diffraction grating (multiple slits). It is found that the 2nd bright band (not including the centre one) is at an angle of 15.3°. The wavelength of the light is 510 nm. Calculate the density of the slits in units of (# slits / cm).

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter30: Atomic Physics

Section: Chapter Questions

Problem 53PE: (a) What is the distance between the slits of a diffraction grating that produces a first-order...

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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

5. Light is sent through a diffraction grating (multiple slits). It is found that the 2nd
bright band (not including the centre one) is at an angle of 15.3°. The wavelength
of the light is 510 nm. Calculate the density of the slits in units of (# slits / cm).

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