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

Define electric flux, Q. Define: Electric flux. Give its unit. The elec...

Q. Define: Electric flux. Give its unit. The electric flux is described as the total number of electric lines of force crossing through the given area and its unit is Nm 2 C-1

Electrostatics – two kinds of charges, Electrostatics – Two kinds of Charge...

Electrostatics – Two kinds of Charges     Introduction: If a glass rod is rubbed with silk cloth it acquires a positive charge, while silk cloth acquires an equal amo

Network theorems, which theorem is better among all network theorems

which theorem is better among all network theorems

Determine the magnitude and direction of the reaction, A load of P59 kN act...

A load of P59 kN acts at right angles to the beam AB.  The angle of the beam to a horizontal x axis at A is P60. The supports are a pin joint at A and a Rocker at B.  Determine the

Properties of electric lines of force, Q. Give any three properties of elec...

Q. Give any three properties of electric lines of force. Properties of lines of forces: (i) Lines of force begin from positive charge and terminate at negative charge. (ii

Explain oblique collision, When two objects collide like there velocities a...

When two objects collide like there velocities are not in the line of action of contact force then the collision is known as oblique collision. We can split also oblique collisi

Whose resistance is twice that of the original resistor, Regard as a capaci...

Regard as a capacitor which is charged to 12 volts and then connected across a resistor. Allow t1/2 be the time it takes for the voltage to drop down to 6 volts. Presume the experi

Heat energy, how much water at 0degrees is needed to cool 0.5kg of water at...

how much water at 0degrees is needed to cool 0.5kg of water at 80degrees to 0degrees

Meissner effect, Meissner effect (W. Meissner; 1933): The reduction of...

Meissner effect (W. Meissner; 1933): The reduction of the magnetic flux in a superconducting metal while it is cooled below the transition temperature. i.e., superconducting m

Motor, illustrate the parts and function of motor

illustrate the parts and function of motor

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