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What is phase ?

Answer:- The phase is that physical quantity which determines the instantaneous displacement and direction of motion of a vibrating particle.

What is Temperature ?

Answer:- Temperature is that physical quantity which determines the direction of flow of heat.

What is specific heat ?

Answer:- The specific heat capacity of a body is defined as the amount of heat  required to raise the temperature of unit mass of that substance through 1°C.

Archimede's principle ?

Answer:- According to Archimede's principle “Whenever a body is immersed in a liquid, it experiences an upward force known as buoyant force and hence loses weight equal to the weight of the liquid displaced".

Heisenberg's uncertainty principle ?

Answer:- According to Heisenberg's uncertainty principle “It is impossible to measure simultaneously both the position and momentum (or velocity) of a microscopic particle with absolute accuracy or certainty".

What is the cause of chemical bonding ?

Answer:- The presence of one or more unpaired electrons (half filled orbitals) in the valence shell of an atom is the cause of the chemical bonding.

Integrate cos∅/3-sin²∅ ?

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