A boy walks uniformally along the sides of a rectangular park of size $400\, m × 300\, m$, starting from one corner to the other corner diagonally opposite. Which of the following statement is incorrect
A boy walks uniformally along the sides of a rectangular park of size $400\, m × 300\, m$, starting from one corner to the other corner diagonally opposite. Which of the following statement is incorrect
- A
He has travelled a distance of $700\, m$
- B
His displacement is $700 \,m$
- C
His displacement is $500\, m$
- D
His velocity is not uniform throughout the walk
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- [AIPMT 1997]