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Find amplitude of electric field ina parallel beam of light of intensity 2W/m2Ans:Given that intensity I=power/area=2W/M2by using this formula :intensity I=(Emax^2/2c mue not)from that Emax=magnitude of electric fieldc=velocity of light=3*10^8m/secmue not =4pi*10^-7Emax=38.82 N/m
A trick with surface tension Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
why is the sky blue?
Ask questidefination and explanation of pesudo force on #Minimum 100 words accepted#
what is the difference between cohesive energy and binding eneergy
Physics of radiation therapy The probability of your having cancer during your lifetime is about 1 out of 4 .Currently three major methods are used alone or in combination
a car with an initial speed of 24.5 km/hr accelerates at a uniform rate of 0.98 m/s^2 for 5.6sec. find the final speed and displacement of the car during this time.
Induced electric currents can be explained using which of the following laws? a) Gauss's Law b) Faraday's Law c) Ohm's Law d) Ampere's Law Ans: Induced e
in newton''s rings experiment the diameter of the nth and n+14 rings are 3.2mm and 6mm respectively.Radius of curvature of plano convex lens is 1m.Calculate wavelength of light.
On the way to school, Jamal realizes that he left his physics homework at house. His car was initially heading north at 24.0 m/s. It takes him 35.5 s to turn his car around and hea
What are coherent sources? Why are coherent sources required to produce interference of light? Give an example of interference of light in everyday life. In Young's double slit exp
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