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 properties of cement mortar, Properties of cement mortar 1. It sh...

Properties of cement mortar 1. It should make good adhesion with building units like bricks, stones etc. 2. It should be capable of resisting penetration of water. 3. It s

Define zener breakdown, Why population inversion is essential to achieve in...

Why population inversion is essential to achieve in lasing action? a) Define zener breakdown. b) What is called nanomaterials?

The mass of an atom is constituted mainly by, The mass of an atom is consti...

The mass of an atom is constituted mainly by: (1) Neutron and neutrino                 (2) Neutron and electron    (3) Neutron and proton         (4) Proton and electr

De?ne pilling-bed worth rule, De?ne Pilling-Bed Worth rule. Write about ...

De?ne Pilling-Bed Worth rule. Write about the applications of carbon nanotubes and nanowires.

Explain air resistance and the dimensions of the football, A football playe...

A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above the horizontal. What initial velocity is neede

Explain gausss law in electrostatics, Explain Gauss's law in electrostatics...

Explain Gauss's law in electrostatics? 1C of charge is same to the charge of n number of electrons in magnitude. What is the value of n? What happens to the force between t

State the properties of electric lines of force, (i) Electric field lines c...

(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.

Work Power and Energy, How do I write the equation and units for work for ...

How do I write the equation and units for work for the following question: How much work does Bobby perform in pushing a 35N crate a distance of 4 meters?

Vectors and scalars, the accelaration of a plane as it takes off would that...

the accelaration of a plane as it takes off would that be a vector or a scalar

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