Which of the following are fundamental physical quantities:

length

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time

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speed

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mass

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Solution

The correct options are
A
length

B
time

D
mass

Length, time and mass all are fundamental physical quantities and other quantities such as speed, velocity, density, etc are derived from these fundamental quantities.

In total there are 7 fundamental quantities :

Length, mass, time, electric current, temperature, amount of substance(mole) and luminous intensity.

All other quantities are derived from these 7 quantities.

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Similar questions

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Q. Consider the following two statements A and B and identify the correct answer.
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) of the unit of physical quantity and its numerical magnitude (

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