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प्रश्न
Define Scalar quantities.
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उत्तर
The physical quantities which are expressed in magnitude only are called scalar quantities.
For example: Mass, length, time, distance, density, energy, etc.
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संबंधित प्रश्न
State whether the following is scalar or vector quantity.
Speed
How is a vector represented?
Give two examples of scalars.
A quantity can be represented only when its magnitude and direction are specified. Is it scalar or vector?
Are the passengers sitting in a train in motion or at rest with respect to each other?
A train is moving out of a railway station. Is the platform at rest or in motion with respect to the moving train? Justify your answer.
Name the physical quantity representing the magnitude and its direction.
Answer the following question:
Can we subtract a scalar quantity from a vector quantity? Is the reverse true?
What do you mean by the distance traveled by a body?
What do you understand by the equations of motion?
