Why tea kettle sing
What is the reason that the tea kettle sing? Briefly state the reason.
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There is a very small attachment with a hole in it that acts as the whistle. This is inserted to the spout of the kettle and whenever the water begins to boil, the steam produces a sound as it gets away.
What do you understand by the term Ambient Reflection? And also write down its characteristic?
Explain in short on which the gravitational force depends on?
Briefly illustrate how do fireworks turn to shapes similar to hearts and stars?
What do you understand by the term anti-aliasing? Describe briefly?
Coanda effect: The effect which points out that a fluid tends to flow all along a surface, instead of flowing via free space.
Hawking temperature: The temperature of a black hole is caused by the emission of the hawking radiation. For a black hole with mass m, it is illustrated as: T = (hbar c3)/(8 pi G k m).
Kirchhoff's laws (G.R. Kirchhoff) Kirchhoff's first laws: An incandescent solid or gas in high pressure will generate a continuous spectrum. Q : Explain Drake equation Drake equation Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N
Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N
As shown in the figure below, a source at S is sending out a spherical wave: E1=(A×D/r) cos(wt-2πr/λ); where r is the distance to source
Dirac constant: Planck constant, modified form; hbar Sometimes more suitable form of the Planck constant, stated as: hbar = h/(2 pi)
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