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

Calculate three straight-line segments, In a particular region there is a u...

In a particular region there is a uniform current density of 18 A/m 2 in the positive direction. What is the value of fB·ds when that line integral is calculated along the three s

Explain radiate energy, An aluminum rod at a temperature of 100 o Celsius ...

An aluminum rod at a temperature of 100 o Celsius radiates energy at a rate of 10 watts. If its temperature is enhanced to 200 o Celsius, at approximately what rate will it radia

Calormetry, in water equivalent how the temperature or water and solid equa...

in water equivalent how the temperature or water and solid equal?

Entropy., 84.1grams of He are compressed reversibly and isothermal at 100.0...

84.1grams of He are compressed reversibly and isothermal at 100.0C from 28.0Litre to 7.37Litres. Calculate the the entropy change in joules/K.

Define stress, Stress is measured by the deforming force per unit normal ar...

Stress is measured by the deforming force per unit normal area. Stresses set up in an object due to of the action of forces can be divided into three broad categories (a) Ten

Motion of a swing, Motion of a swing Periodic Motion :  Motion that re...

Motion of a swing Periodic Motion :  Motion that repeats itself in equal intervals of time is known as periodic motion.

Friction between the brake drums and the brake shoes, When a driver brakes ...

When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy to thermal energy. If a 1800 kg automobile traveling

Electric field due to a ring, Describe Gauss' law and its importance. Use i...

Describe Gauss' law and its importance. Use it to search out the electric field due to a linear and infinite sheet charge distribution and also describe why Gauss' law cant be used

What makes a good illuminator, What makes a good illuminator? Illuminat...

What makes a good illuminator? Illuminators should perform three separate tasks along with a degree of efficiency.  Initially must house a lamp and its transformer, power sourc

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