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A scalar quantity...

A scalar quantity

A

can never have negative values

B

must be dimensionless

C

has magnitude and direction and it can be added algebraically to another scalar of the same type

D

does not vary from point to point in space

Text Solution

Verified by Experts

The correct Answer is:
C
(a) is wrong. Scalars like temperature, electric potential may be -ve.
(b) is wrong. Many scalar quantities like energy, speed, etc. have dimensions.
(d) is wrong. E.g. density of air in the atmosphere changes with altitude.
(c ) is correct.
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