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

How does one know which way to draw the current, Ques: In putting Kirch...

Ques: In putting Kirchoff's voltage law one draws a schematic diagram of the circuit and then indicates the current in each leg (a.k.a. branch) of the circuit. For every leg of

Faradays second law of electrolysis, Faraday's second law of electrolysis: ...

Faraday's second law of electrolysis: The charge Q needed to deposit or liberate a mass m is proportional to the charge z of the mass, the ion and inversely proportional to th

Light, If the angle of incidence is 60 degrees,then what is the angle of de...

If the angle of incidence is 60 degrees,then what is the angle of deviation?

Unbalanced forces cause accelerations, Unbalanced forces cause acceleration...

Unbalanced forces cause accelerations. In this case, the unbalanced force is directed opposite the book's motion and will cause it to slow down. To verify if the forces acting

Solid state physics, Magnetic susceptibility of copper is 0.5 Calculate the...

Magnetic susceptibility of copper is 0.5 Calculate the magnetic moment per unit volume of copper, when it is subjected to a magnetic field of G. If the material is in the crystalli

Explain electricity, Electricity: The flow of electron is known as elec...

Electricity: The flow of electron is known as electricity.

Explain the types of polymorphism, Explain the types of polymorphism In...

Explain the types of polymorphism In terms of  thermodynamics, there are two kinds of polymorphism. For a monotropic system, a plot of the free energy of the various polymorphs

Determine the power factor on no-load, A transformer takes a current of 1A...

A transformer takes a current of 1A when its primary is connected to a 300V, 50Hz supply, the secondary being on open-circuit. If the power absorbed is 120watts, Determine

Uniform magnetic field, A positively-charged subdivision is moving southwar...

A positively-charged subdivision is moving southward in a downward-directed uniform magnetic field. The magnetic force is the merely force if any acting on the particle. Throughout

Give the basic construction of pentode, Give the basic construction of pent...

Give the basic construction of pentode Ans: Construction of Pentode:   Constructional details of a typical pentode are demonstrated in fig. (a)  and  fig. (b)  Pentode comp

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