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What is the means in which light waves travel?
Ans:
Light is the only type of wave that doesn't require a medium. Confirmation that light will travel through vacuum is the fact that light from the sun and other stars reaches us despite the intervening vacuum of space.
In an experiment of Quink tube source freequence 100 Hz is used to find 2nd maxima to 4th manima movalbe part of tube displaced by 1cm then calculate speed of sound in air
Three similar coils, each having a resistance of 8Ω and an inductive reactance of 8Ω are connected (a) in star and (b) in delta, across a 415V, 3-phase supply. Calculate
Pauli exclusion principle (W. Pauli; 1925) No two similar fermions in a system, like electrons in an atom, can have an equal set of quantum numbers.
It is the electric dipole moment induced in a system, such as an atom or molecule, by an electric field of unit strength.
Examples of unlike parallel forces
A cylindrical metallic wire is stretched to enhance its length by 5%. Measure the percentage change in its resistance.
ohmmeters: The use of ohmmeters is somewhat more involved. Most importantly when measuring resistance the circuit power must be switched off, power is derived from within the i
What is the upside down delta in the Schrodinger Equation?
'Heavy water is often used as a moderator in thermal nuclear reactors.' Give reason.
Q. Explain about Centrifugal force? The centrifugal force is F c =mv 2 /r, Where r is the radius of the orbit and m is the mass of the object and v is the velocity. The
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