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Q. Illustrate what two properties of electromagnetic waves are used to attach info to radio signals?
Answer:-
By changing the amplitude of a radio wave you can encode information that is how AM-radio works. By changing the frequency (and hence its wavelength) of a radio wave you can as well encode information that is how FM radio works.
Description about mauls law
Q. Illustrate how do you find the refractive index of a liquid by using total internal reflection? Answer:- Using Snell's law n (1) = (n (2) x sin angle (2)) / sin angl
sketch the setup abd show the angulare distace between successive dark bands is----------
It is based on the photovoltaic effect. One of the semiconductor regions is made so thin that the light incident on it reaches the p-n junction and gets absorbed. It changes solar
can a conductor with net charge zero can have electric feild
Positive rays are sometimes called as the canal waves. These were found by Goldstein. If the cathode of a discharged tube has holes in it and the pressure of the gas is around 10-3
If a ball thrown horizontally with a velocity of 20m/s from a tower meters high, after how long will it strike the ground?
why deflection magnetometer can not be worked at poles?
Draw a free-body diagram for a goldfish that is motionless in the middle of a fish bowl. Recognize the forces acting on the fish. Show the direction of the net force on the f
What is the universal law of universal gravitation? Statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the
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