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प्रश्न
Define Scalar quantities.
एक पंक्ति में उत्तर
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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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Scalar and Vector Quantities
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संबंधित प्रश्न
Pick out the scalar and vector quantities from the following list:
- mass
- density
- displacement
- distance
- momentum
- acceleration
- temperature
- time
State whether the following is scalar or vector quantity
Force
Copy the following table and fill in the blank spaces.
| Quantity | S.I. Unit | Scalar or Vector |
| ___________ | kg m−3 | ___________ |
What do you mean by a vector quantity?
Is mass a vector quantity?
Out of force and energy, which one is vector?
Are the passengers sitting in a train in motion or at rest with respect to each other?
Answer the following question:
Can we multiply two scalars?
Answer the following question:
Can we add a scalar quantity to a vector quantity?
Write down the three equations of motion.
