Question

If the units of length and time are doubled then unit of speed will

• A. Get doubled
• B. Get halved
• C. Becomes one-third
• D. Remains same

Answer 1

The correct option is D Remains same

Unit of velocity is $m/s$

Now if the unit length become 2m , time becomes 2s

then unit of velocity =$2m/2s=m/s$, it remains the same.