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

Measure of elapsed period using the si unit, Q. Measure of elapsed period u...

Q. Measure of elapsed period using the SI unit? Answer:- 1. This is the question that each true scientist dreads to be asked especially in a public setting by extremely in

Angle calculate by a body be projected, At what angle should a body be pr...

At what angle should a body be projected with a given velocity 24m/s just to pass over the obstacle 14m high at a given distance of 24m. Solution:   14=24xtan(θ)-(g*)(24 2

Solar cells: semiconductor devices, A solar cell or photo voltaic cell is a...

A solar cell or photo voltaic cell is a semiconductor device that converts photons from the sun into electricity. It can also be defined as a semiconductor electrical junction appa

What is the use of surface tension? , It is jut a field of physics which is...

It is jut a field of physics which is made to understand the concept of fluids better ,you may not seek the benefit right now ,but can know the concept,and the application of it in

Motion, a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.R...

a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine

How are extrinsic fiber optic sensors used, How are extrinsic fiber optic s...

How are extrinsic fiber optic sensors used? Extrinsic fiber optic sensors give best protection of measurement signals against noise corruption. Unluckily, several conventional

Describe how the laser transitions are arisen, Describe how the laser trans...

Describe how the laser transitions are arisen. The given energy level diagram could describe how the laser transitions arise. Collisions in between the He atoms and Ne

Electricity and magnetism, two free charges +q and +5q are a distance L apa...

two free charges +q and +5q are a distance L apart. A third charge is placed so that the entire system is in equilibrium.find the location and magnitude and sign of the charge.

Illustrate light emitting diode in fibre optic communication, Illustrate th...

Illustrate the light emitting diode for fibre optic communication? Light-Emitting Diode (LED) for fibre optic communication: There are two types of LED. They are surface etc

Determinism principle, Determinism principle It is the principle that ...

Determinism principle It is the principle that if one knows the state to an infinite accuracy of a system at one point in time, one would be capable to know about the state of

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