science
Grade-11
Easy
Question
Distance is a ________ quantity.
- Scalar
- Vector
- Tensor
- None of the above
Hint:
Distance has magnitude only.
The correct answer is: Scalar
- A scalar is some quantity which obeys simple algebraic rules, for example, addition, subtraction, etc. A scalar may also be defined as a quantity that requires only magnitude to be identified. e.g. temperature, current, etc.
- A vector is any quantity which doesn't follow algebraic rules. The addition or subtraction of vectors is not equal to the algebraic sum or difference of their magnitude. A vector may also be defined as a quantity that requires both direction and magnitude to be identified in space. e.g. velocity, force, etc.
- A tensor is a quantity which has different values when measured in different directions in space. e.g. moment of inertia.
- So Distance is a scalar quantity.
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