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As defined in physics, work is:
a) A scalar quantity
b) Always a positive quantity
c) A vector quantity
d) Always zero
Ans:
As defined in physics, work is a scalar quantity.
The average distance of an electron in an atom from its nucleus is of the order of: (1) 10 6 m (2) 10 -6 m (3) 10 -10 m (4)10 -15 m Ans: (3) 10 -10 m
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unlike Parallel forces
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You have two pendulums and you release them at the same time. Pendulum A has mass 2 m attached to it and you release it from 5 . Pendulum B has mass 3 m attached to it and you rele
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A solid substance has a molar volume which is smaller than that of its liquid phase. Which of the following statements regarding the solid-liquid phase transition is/are true?
Write two characteristic features of nuclear force which differentiate it from the Coulomb force.
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