Electromagnetic waves, Physics

Assignment Help:

Find amplitude of electric field ina parallel beam of light of intensity 2W/m2

Ans:

Given that intensity I=power/area=2W/M2

by using this formula :intensity I=(Emax^2/2c mue not)

from that Emax=magnitude of electric field

c=velocity of light=3*10^8m/sec

mue not =4pi*10^-7

Emax=38.82 N/m


 


Related Discussions:- Electromagnetic waves

Thermometers, what are advantages and disadvantages for the six''s thermome...

what are advantages and disadvantages for the six''s thermometer

Direct current, A) Explain the flow of direct current? ( describe direct...

A) Explain the flow of direct current? ( describe direct current) b) Explain  the effect of resistance in circuits? (Describe  effect of resistance)

Electric intensity due to charged conducting spherical shall, Write a short...

Write a short note on different kinds of capacitors. Applying Gauss's law derive the mathematical expression for electric intensity due to a charged conducting spherical shall

Cosmic background radiation, Cosmic background radiation; primal glow T...

Cosmic background radiation; primal glow The background of radiation typically in the frequency range 3 x 10 11 to 3 x 10 8 Hz discovered in space in the year of 1965. It is

Mechanical stressing, Mechanical stressing: When a material undergoes a me...

Mechanical stressing: When a material undergoes a mechanical treatment, its resistivity changes due to mechanical distortion of the crystal structures. The localized strain produc

Compute the output of the given amplifier, Q. Collector current I c =20 mA ...

Q. Collector current I c =20 mA and base current I b = 50 A. Find current gain β of a transistor.   β = I C / I B = 20 X 10 -3 / 50 X 10 -6 = 400

Compton effect and quantum nature of light, Q.   Describe Compton effect. D...

Q.   Describe Compton effect. Drive an expression for Compton shift. How does it support the particle nature of light.  Compton Effect and Quantum Nature of Light A.H. Com

Explain the resonance of sound in air columns, Explain the Resonance of Sou...

Explain the Resonance of Sound in Air Columns Wind instruments use vibrations in air columns to generate notes. The end that air is blown into is all time considered an open en

The maximum energy stored by the capacitor, A bakelite capacitor is to be c...

A bakelite capacitor is to be constructed to have a capacitance of 0.04µF and to have a steady workingpotential of 1kVmaximum. Allowing a safe value of field stress of 25MV/m find

Schrodinger''s time independent wave equation: free particle , Q.   Write d...

Q.   Write down the Schrodinger's time independent wave equation for a free particle confined in one dimensional box of size a. Obtain eigen values and normalized wave functions fo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd