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

Explain electrostatic induction, Electrostatic Induction: Electrostatic...

Electrostatic Induction: Electrostatic Induction is the process in which a charged object charges another neutral object without touching it.

What are fitting, What are fitting? Practically the only part of a fibe...

What are fitting? Practically the only part of a fiber optic system which the public ever notices. End fittings are the components for fixing, supporting, finishing and aiming

Explain a simple theodolite or astrolabe, A simple theodolite or astrolabe ...

A simple theodolite or astrolabe A simple theodolite or astrolabe is formed by fixing a drinking straw to the base line of a protractor with sealing wax or glue. A plumb line h

Explain the meaning of nuclear fusion, Explain the meaning of Nuclear Fusio...

Explain the meaning of Nuclear Fusion Fusion happens when two light atoms like hydrogen or lithium combine. There is a net loss of mass which is converted to energy. The most f

Explain parts of thermionic emitters, There are two parts of Thermionic emi...

There are two parts of Thermionic emitters:- A) Directly heated emitter (i) Cathode is directly heated by passing current. (ii) Thermionic current is less. (iii) Ener

Derive the mathematical expression for normal shift, What do you mean by no...

What do you mean by normal shift? Derive the mathematical expression for normal shift produced when an object in a denser medium is viewed normally through air.

Evaluate the percent error, Q When calculate Planck's constant, a student's...

Q When calculate Planck's constant, a student's calculations produce values of 5.78 × 10 -34   J·s and 7.29 × 10 -34 J·s. If the accepted value is 6.63 × 10 -34  J·s, what is

Experiment a model elevator, A model elevator A working model of an ele...

A model elevator A working model of an elevator can simply be made from easy materials. For the rotating drums or sheaves, metal coffee tin will do. With a hammer and a big nai

What are steps in splicing process included, What are steps in splicing pro...

What are steps in splicing process included? Steps involved in splicing process are as follows: For a good quality splicing, the given steps are to be followed. a. Jacke

Acceleration due to gravity, Who was the first person to show that all obj...

Who was the first person to show that all objects fall toward Earth with constant _________.

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