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.
Josephson effects (B.D. Josephson; 1962): Electrical effects examined whenever two superconducting materials are separated by a thin layer of the insulating substance.
The molecules of many dielectrics possess an electric dipole moment without having an external electric field. In such molecules centres of their positive and negative charges are displaced with respect to each other and therefore form a dipole. Such materials are kno
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What do you mean by communication? Illustrate in brief.
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Describe the procedure how radiation emitted from the body? Illustrate in brief.
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What do you mean by the term nucleus? Describe in brief.
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Describe in brief the concept of nuclear reaction?
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