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Scalars are physical quantities which ar...

Scalars are physical quantities which are completely specified by __________

A

number and unit

B

number only

C

unit only

D

neither number nor unit

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Vectors are physical quantities which are completely specified by ___________

    A
    magnitude only
    B
    number only
    C
    direction only
    D
    both magnitude and direction
  • 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
  • Two vectors of different physical quantities can be __________ to obtain a scalar.

    A
    added
    B
    subracted
    C
    multiplied
    D
    divided
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