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An approximate equation for the velocity distribution in a rectangular channel with turbulent flow is
where umax is the velocity at the surface, y is the distance from the floor of the channel, d is the depth of flow, and n is an exponent. Derive a formula for α as a function of n. What is the value of α for n = 1/7 (typical for turbulent flows)?
Magnetic poles: The two regions near the ends of a magnet at which the attracting forces appear to be concentrated are called the magnetic poles. The pole (when freely suspende
Give reasons for the following (i) Long distance radio broadcasts use short-wave bands. (ii) The small ozone layer on top of the stratosphere is crucial for human survival.
What is error
Does the force constant of a spring changes if it is cut into parts? Ans) Force constant does not change because it is a constant
The Doppler Effect shows that the spectrum of light from a visible body moving AWAY from the Earth will experience a shift in frequency when viewed from Earth. This definite s
The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave? Ans: The velocity of given wave is 1250 meters/second.
WORKING OF TERRESTIAL TELESCOPE
Consider an electron in a simple one-dimensional periodic potential. The energy of the electron will vary periodically due to the influence of the periodic potential, and can be de
im trying to build an electric motor and would like to know y they wind there copper wire in what paturn to make power and secondly what is the output per gram of copper in these t
Q. Briefly explain working of Michelsons Interferometer? Michelson designed an instrument for the measurement of wavelength of sodium light, thickness of thin film and for many
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