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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.
Q A 300 mm long tube containing 60 cc of sugar solution produces a rotation of 90 when placed in a polarimeter If the specific rotation is 600, Compute the quantity of sugar contai
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Huygens' construction; Huygens' principle (C. Huygens): The mechanical propagation of any wave (exclusively, of light) is equal to supposing that each point on the wavefront b
This phylum includes
Q. Explain Construction of michelsons interferometer? It consists of two highly polished plane mirror M1 and M2, with two optically plane glass plate G 1 and G 2 which are of
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