Two slits are 1.2 x 10-4 m apart and are at a distance of 70 cm from a screen. The fourth bright line is 0.009 m from the central line. What was the wavelength of the light used? 1.5 x 10-8 m 3.9 x 10-9 m 3.9 x 10-7 m 1.5 x 10-6 m

Two slits are 1.2 x 10-4 m apart and are at a distance of 70 cm from a screen. The fourth bright line is 0.009 m from the central line. What was the wavelength of the light used? 1.5 x 10-8 m 3.9 x 10-9 m 3.9 x 10-7 m 1.5 x 10-6 m

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 86AP: How far apart must two objects be on the moon to be distinguishable by eye if only the diffraction...

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Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as:

Question

Two slits are 1.2 x 10-4 m apart and are at a distance of 70 cm from a screen. The
fourth bright line is 0.009 m from the central line. What was the wavelength of the
light used?
1.5 x 10-8 m
3.9 x 10-9 m
3.9 x 10-7 m
1.5 x 10-6 m

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