A laser pointer emits a cylindrical beam of light in the air of wavelength 633 nm , power 30 milliwatts and beam diameter 2mm . Ignoringng spreading of the beam , the peak amplitude E0 of the electric field , ( in volts/metre) is : give answer to a decimal A laser pointer emits a cylindrical beam of light in air of wavelength 633 nm, power 30 milliwatts and beam diameter 2 mm. Ignoring spreading of thebeam, the peak amplitude Eo of the electric field, (in Volts/metre) is:(Give your answer as a decimal).Answer:

The peak amplitude E0 of the electric field can be calculated using the formula: E0=(2P/(π*(d/2)2 ×…

A laser pointer emits a cylindrical beam of light in air of wavelength 633 nm, power 30 milliwatts and beam diameter 2 mm. Ignoring spreading of the beam, the peak amplitude Eo of the electric field, (in Volts/metre) is: (Give your answer as a decimal). Answer:

A laser pointer emits a cylindrical beam of light in air of wavelength 633 nm, power 30 milliwatts and beam diameter 2 mm. Ignoring spreading of the beam, the peak amplitude Eo of the electric field, (in Volts/metre) is: (Give your answer as a decimal). Answer:

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 38PQ

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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.

Question

A laser pointer emits a cylindrical beam of light in the air of wavelength 633 nm , power 30 milliwatts and beam diameter 2mm . Ignoringng spreading of the beam , the peak amplitude E₀ of the electric field , ( in volts/metre) is :

give answer to a decimal

A laser pointer emits a cylindrical beam of light in air of wavelength 633 nm, power 30 milliwatts and beam diameter 2 mm. Ignoring spreading of the
beam, the peak amplitude Eo of the electric field, (in Volts/metre) is:
(Give your answer as a decimal).
Answer:

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