Question

The SI unit of length is

• A. Kilometer
• B. meter
• C. centimeter
• D. millimeter

Answer 1

The correct option is B

meter

Explanation of correct option:

Option B:

1. The SI unit of length is meter.
2. The length of any object can be found in either way such as using a scale (i.e., ruler), measuring tape and so on. These tools are generally used to measure the length of the given objects

Explanation of incorrect options:

1. Kilometer, centimeter, and millimeter all are unit of length but they are not standard unit of length.
2. They all can be represented in the term of the meter.

Hence, Correct option is B: meter