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Explain about the principle of acousting grating.
Acousting Grating Principle:
While ultrasonic waves are passed by a liquid, the density of the liquid varies layer by layer because of the variation in pressure and therefore the liquid will act as a diffraction grating that is termed as acoustic grating. Under that condition, while a monochromatic source of light is passed by the acoustical grating, then the light gets diffracted. After that, by using the condition for diffraction, the velocity of ultrasonic waves can be found out.
Resistance measurements: An example of how to make AC voltage measurements is shown in the diagram below. Once again, the red and black test leads are connected to the '+' and
Soft Ferromagnetic substances: Those substances that lose their magnetism are known as soft magnetic substances such as soft iron.
Dirac constant; Planck constant, modified form; hbar A sometimes more convenient form of the Planck constant, explained as hbar = h/(2 pi).
weak anthropic principle The conditions compulsory for the growth of intelligent life will be met only in certain regions which are restricted in space and time. i.e., the re
Q. Explain with the help of diagram and experiment arrangement to produce Newton's rings.
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explain electromagnetic induction
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Light described at a place by the equation E=100[sin(5*10^15)t + sin(8*10^15)t] falls on the metal surface having work function 2eV.calculate the maximum kinetic energy of photoel
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