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

Show constant moment arm, Q. Show Constant Moment Arm? The simplest ca...

Q. Show Constant Moment Arm? The simplest case is that of a point mass, and the moment of inertia can be immediately written as                                   I = mR 2 ,

Resistors in dc circuits, Resistors in dc circuits: Components are said...

Resistors in dc circuits: Components are said to be in series when they are connected end-to-end providing only one path for the current.  Thus the same current passes through

Cadmium rods are provided in a nuclear reactor, Cadmium rods are provided i...

Cadmium rods are provided in a nuclear reactor. Why? Cadmium rods are given in nuclear reactors due to when we begin nuclear reactor then more energy is required for start the

Evolution of hydrogen , A strip of aluminium of mass 40.7g is dropped into ...

A strip of aluminium of mass 40.7g is dropped into a beaker of dilute hydrochloric acid. Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 26.1 o C ) by

Plot the engineering stress strain curves, Given the properties in the tabl...

Given the properties in the table below a. Plot the engineering stress-strain curves for the 3 materials. You can assume the materials behave linearly when they plastically

Vector, I need some examples (at least 5 examples) of daily life applicatio...

I need some examples (at least 5 examples) of daily life application of vector. could you please help me? thankyou

Relation between velocity wavelength and frequency, Relation among velocity...

Relation among velocity wavelength and Frequency: Consider a wave of wavelength , frequency f and travelling with velocity v. The distance travel by the sound wave during th

Earths rotation about its axis, The earth's rotation about its axis changes...

The earth's rotation about its axis changes measurably over time; You don't have to worry about the details; all you need to know is that our days are growing longer by about 2.3 m

Explain circular and orbital motion, Explain Circular and Orbital Motion ...

Explain Circular and Orbital Motion Let's start by looking at circular motion with constant speed. Can there be acceleration in this problem? Yes, velocity includes speed and

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