Question

Which of the following is an SI unit

Answer 1

Answer:

Option (D)

Explanation:

SI unit stands for System International. It is a scientific procedure that helps in describing the immensity and characteristic of a naturally occurring important events. These units are internationally accepted and are very widely used in the scientific world.

There are total 7 fundamental SI units and they are-

1. Kg (kilogram)- to express mass
2. s (second)- to measure time
3. K (kelvin)- to measure temperature
4. A (ampere)- to measure current
5. Mol (mole)- to express the substance amount
6. cd (candela)- to express intensity of a luminous substance
7. m (meter)- To measure distance.

Thus, the correct answer is option (D).

Answer 2

SI will always be in metric, so the answer is D. Meter.