Question

7.
Which of the following physical quantities has
derived unit?
[NCERT Pg. 23]
(1) Acceleration
(2) Mass
(3) Current
(4) Amount of substances​

Answer 1

Answer:

(3) Current

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Answer 2

The correct answer is acceleration

Explanation:

Unit of acceleration is m/s²

Thus it can be seen that it is not a fundamental unit but is a derived unit

Fundamental units are as follows:

mass (kg)

time (s)

length (m)

current (A)

temperature (K)

amount of substances (mole)

luminous intensity (candela)