Question

What is the convenient unit of length used to measure a hall?

Answer 1

Units:

1. Unit is a quantity of constant magnitude which is used to measure the magnitudes of other quantities of the same nature.
2. It is the standard unit used for comparison.

Name of the convenient units used to measure the length of a hall:

1. Meter is used to measure the length of a hall.
2. Meter is defined as the distance travelled by a light wave in a specified time interval.

Hence meter is the unit used to measure the length of a hall.