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Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of Doppler effect?
Imagine an elctromagnetic wave propagating vacuum with electric field Ex=10 2 sinπ(3x10 6 z - 9x10 14 t) V/m, E y =0, E z = 0. Calculate the speed, frequency, wavelength, initial
Two vibrating particles that are "out of phase" differ in the phase of their vibration by: a) 1/4 cycle b) 1/2 cycle c) 3/4 cycle d) 1 cycle Ans: Two vibra
How are the colloids classified on the basis of the nature of interaction among dispersed phase and dispersion medium? Describe a significant characteristic of each class. Which of
IF a football player kicks a football so that it spends 3.0 seconds in the air and travels 50m, then find the velocity and angle of the kick.
A see-saw lever Get a thick plank about 3 m long and bring it into the class room. Balance it over a box or some other suitable device and let the pupils experiment with the se
Process to calculate teh number of atoms per unit cell The number of atoms per unit cell is equal to the product of 'the number of atoms per basis' and 'the number of basis per
In a pure semiconductor, concentration of electrons in conduction band is equal to the concentration of holes in valence band. In the process of conduction when an electric field i
Faraday's second law of electrolysis: The charge Q needed to deposit or liberate a mass m is proportional to the charge z of the mass, the ion and inversely proportional to th
Deduce the expression for expected fringe shift in Michelson Morley experiment. Discuss the result of experiment.
Since polymeric materials can be formed in thin, highly uniform and non porous films with high dielectric strength, these materials are preferred dielectric materials for capacitor
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