Electromagnetic wave of unknown wavelength passes through the slit of width a =3.79 µm and the first minimum is detected at angular position 0 =6.82°. What is the wavelength of the electromagnetic wave? Provide your answer in nanometers, round it to one decimal place.

Electromagnetic wave of unknown wavelength passes through the slit of width a =3.79 µm and the first minimum is detected at angular position 0 =6.82°. What is the wavelength of the electromagnetic wave? Provide your answer in nanometers, round it to one decimal place.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 72P: How many helium atoms, each with a radius of about 31 pm, must be placed end to end to have a length...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

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Electromagnetic wave of unknown wavelength passes through the slit of width a =3.79 µm and
the first minimum is detected at angular position 0 =6.82°.
What is the wavelength of the electromagnetic wave?
Provide your answer in nanometers, round it to one decimal place.

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