Which of the following is a unit of length?

Which of the following is a unit of length?

مندرجہ ذیل میں سے لمبائی کی اکائی کیا ہے؟
Explanation

Meter is the SI unit of length.

It is used to measure distance or height.

Additional Information:
Liter = unit of volume
Kilogram = unit of mass
Second = unit of time