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

Physics, Current time base generator

Current time base generator

Wavelength, what is the angle of incidence when the refracted and the refle...

what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light? Ans) The angle of inciden

Find the density on a hot day, The density of gasoline at 0 degrees C is 0...

The density of gasoline at 0 degrees C is 0.68 x103 kg/m3 What is the density on a hot day when the temperature is41 degrees C? What is the percentage change (+/-)?

Demonstrate resonance and forced vibrations, Demonstrate resonance and forc...

Demonstrate resonance and forced vibrations Consider four simple pendulums P,Q,R and S suspended from horizontal stretched rubber card AB. Let the lengths of pendulums p and R

Its hard 4 me, what is physics and how to learn it easlly?

what is physics and how to learn it easlly?

Calculate the velocity of the ball, A boy is standing on an elevator which ...

A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second.  The boy throws a ball vertically upward with a velocity of 10 meters

Examples, Example of like and unlike parallel forces

Example of like and unlike parallel forces

Application to stress analysis, In mechanics, stress is a measure of the in...

In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the

Young sun paradox, faint, young sun paradox Theories of stellar evolut...

faint, young sun paradox Theories of stellar evolution denote that as stars mature over the main sequence, they steadily grow hotter & brighter; calculations recommend that at

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