How does a sound wave travel in air?
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Which waves are used in sonography?
to find the temperature of the sun, the following law is used 1. Charles'law, 2. Stefan's fourth power law of radiation, 3. Boyle's law, 4. Kirchhoff's law
What are the characteristics of black body? : quantum physics
What is Amalgam ?
A 100W bulb and 60 bulb both rated at 220V are connected in series across 220V supply. If 60W bulb is removed and only 100W bulb remains in the circuit, will illumination increase or decrease?
State Laws Of Conservation Of Energy?
How do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
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How magnetic materials are classified?
What is the Boiling ?
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If the moons orbit is inclined slightly relative to the earths orbit what effect does this have on eclipses?