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

Are optical fiber fraglle, Are optical fiber fraglle? Glass fibers are...

Are optical fiber fraglle? Glass fibers are very brittle, actually in any glass light guide there is a percentage of fibers broken throughout the manufacturing process, conver

What do you mean by total internal reflection, What do you mean by total in...

What do you mean by total internal reflection? State the conditions to be fulfilled for total internal reflection. Desfine the construction and working of an optical fibre. Sate i

Determine the magnitude of the acceleration, A ball is thrown vertically up...

A ball is thrown vertically upwards from the ground with a speed of 80 feet/second.  In the English system of units, Determine the magnitude and direction of the acceleration

How is glass fibre material in optical fibres used, How is glass fibre mate...

How is glass fibre material in optical fibres used? Glass fibre material in optical fibres: Silica is the generally used materials for the manufacture of a glass fibre. The

Define the wave nature of sound, Define the Wave Nature of Sound Sound ...

Define the Wave Nature of Sound Sound is called a longitudinal wave because the vibrations are in the same direction as the motion and speed of the wave. This is most easily pi

Evaluate the focal length of the lens, An object is placed 25.0cm from a th...

An object is placed 25.0cm from a thin converging lens. A screen is positioned so that a sharp image of the object is seen on the screen. When the object is moved 4.0cm closer to t

Charged particles through the circuit, Question: In that piece of a cir...

Question: In that piece of a circuit outside of any batteries or power supplies what is it that actually pushes charged particles through the circuit? Answer: By defini

Stop watch, stop watch + least count+ picture of stop watch

stop watch + least count+ picture of stop watch

Seeing your whole body in a flat mirror, Is it possible to see your whole b...

Is it possible to see your whole body in a flat, planar mirror that is LESS THAN half your height if the mirror is at an angle? (i.e. not parallel to your body)

Projectile motion, If a ball thrown horizontally with a velocity of 20m/s f...

If a ball thrown horizontally with a velocity of 20m/s from a tower meters high, after how long will it strike the ground?

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