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

Dielectric, what is electronic polarization?

what is electronic polarization?

How does speed is increased by using a bicycle, Using a bicycle Turn a ...

Using a bicycle Turn a bicycle upside down so that it rests on the seat and handlebars. Turn the pedal wheel precisely one turn and note the number of turns made by the rear wh

Analogue multimeter, Analogue multimeter: Even the most basic analogue ...

Analogue multimeter: Even the most basic analogue multimeter can prove to be invaluable when in the hands of an experienced user. Simple measurements of voltage, current and r

Potential well and potential barrier, Q. Explain what do you understand by ...

Q. Explain what do you understand by the terms potential well and potential barrier. How does a particle with energy lesser than the barrier height tunnels through its quantum mech

Determine change in temperature - temperature, 9.8-g lead bullet with a muz...

9.8-g lead bullet with a muzzle velocity of 3.90 x 10 2 m/s is stopped by a wooden block. What is the change in temperature of the bullet if one-fourth of its original kinetic

Determine the voltage across the capacitor, In the circuit shown in Figure,...

In the circuit shown in Figure, with the switch in position 1, the capacitor is uncharged. If he switch is moved to position 2 at time t =0s, measure (i) The initial curren

Transformers, A transformer is a static device which transfers AC electrica...

A transformer is a static device which transfers AC electrical power from one circuit to another at the same frequency but the voltage level is changed usually. When the voltage is

What do you mean by mobility, Q Define: mobility. Give its unit. The mo...

Q Define: mobility. Give its unit. The mobility is defined as the drift velocity obtains per unit electric field. The unit of a mobility m 2 V 1s 1.

Deuterium and tritium, Why is it easy to fuse hydrogen isotopes deuterium a...

Why is it easy to fuse hydrogen isotopes deuterium and tritium than ordinary hydrogen?

Lens maker equation, what is the physics principle involved in the lens mak...

what is the physics principle involved in the lens maker equation

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