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An echo is easily the retransmission of speaker's own voice caused by reflection at a distance surface.
If there is a sound reflector at a distance d from host, then the time interval among original source and it's echo at the site of source will be
Q. Explain how Newton's ring can be obtained in the laboratory. Why Newton's rings are circular in shape? How the Newton's rings are used to find refractive index of liquid?
Splitting of signals is caused by: (1) Proton (2) Neutron (3) Positron (4) Electron Ans: (1) Proton
Potential at a point in a field is described as the amount of work done in bringing a unit positive test charge; from infinite to that point along any arbitrary path. Electric pote
Displacement of aparticle moving along X axis .When velocity is Zero
deduction Newton law - KEPLUR law
Question: What is the colour of the shortest wavelength observable light? Answer: Keeping in mind the actuality that the higher the frequency the shorter the waveleng
if A=[30.1, 21.4 degrees] and B= [25, 40 degrees] what is the magnitude of the sum of these two vectors
Show the conditions for total internal reflection to happen. Arrive at the relation between refractive index and critical angle. What do you mean by optical fibre? on what rules do
Derive the mathematical expression for refractive index in terms of the angle of the prism and angle of minimum deviation.
A train locomotive whose mass is 1 x 106 kilograms is travelling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomo
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