Demand refers to desire of a consumer to purchase goods and services and ability to pay a price for the goods and services purchased.
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Total internal reflection is the complete reflection of a ray of light within the medium.
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First posulate of Special theory of relativity is “The laws of physics take the same form in all inertial frames”.
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Most solid materials show elastic behaviour to a lesser or greater extent.
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Plasticity is the property of the material by virtue of which it does not regain its original shape when applied force is removed.
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Quantum mechanics is dealing with the behaviour of matter and light on the atomic and subatomic level.
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Undergoing deformation following two terms describe the forces on objects. Stress and strain.
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The laser light exhibits some peculiar properties compared with the conventional light which make it unique.
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Lorentz transformation gives the relationship between two different coordinate frames moving at a constant velocity w.r.t. to each other.