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

What is the magnitude of the northward acceleration, A man exerts a northwa...

A man exerts a northward force of 100 newtons on a 50 kilogram box which sits on a level floor. If the frictional force is 80 newtons. What is the magnitude of the northward

Determine the power absorbed by the circuit, A 20 Ω non-reactive resistor i...

A 20 Ω non-reactive resistor is connected in series with a coil of inductance 80mH and negligible resistance. The combined circuit is connected to a 200V, 50Hz supply. Calcula

Calculate the shortest wavelength limit of lyman series, Q. The Rydberg's c...

Q. The Rydberg's constant for hydrogen is 1.097 X 10 7 ms -1 . Calculate the shortest wavelength limit of Lyman series. Data : R = 1.097 × 10 7 m -1 For small wavelen

Explain the term work function of a metal, Explain the term 'work function'...

Explain the term 'work function' of a metal. The threshold frequency of a metal is f 0 . When the light of frequency 2f 0 is incident on the metal plate, the maximum velocity of e

Newton''s 2nd Law of Motion, A rocket weighs 9800N. What applied force give...

A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?

Discovery of neutron, Write down a short note on the discovery of neutron. ...

Write down a short note on the discovery of neutron. Show the uses of radioisotopes.

Illustrate about the zinc blende structure, The Zinc Blende or Sphalerite S...

The Zinc Blende or Sphalerite Structure. Zinc blende is same to diamond cubic structure, but the two FCC sub-lattices are occupied by atoms of two dissimilar elements. Some of

Determine the dispersive power of the prism, What are the demerits of Huyge...

What are the demerits of Huygens' eyepiece? The angles of deviations for violet and red colors of a crown prism are 5.23 o and 5.15 o respectively. Determine the dispersive po

Electromagnetics, Is there any other proof that light is an electromagnetic...

Is there any other proof that light is an electromagnetic wave other than its speed has the same value as the inverse square root of the permittivity and permeability constants of

Describe coefficient of self induction, Describe coefficient of self induct...

Describe coefficient of self induction, coefficient of mutual induction. What types of transformer is used in a bed lamp.

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