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Byju's Answer
Standard VII
Physics
Derived Quantities
A derived qua...
Question

A derived quantity necessarily has:

A
Magnitude
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B
Unit
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C
Direction
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D
(a) and (b) above.
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Solution

The correct option is A Magnitude
A derived quantity always has a magnitude. However, it may not have units. For example, refractive index for a medium gives the ratio of speed of light in two mediums and it unitless.

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