Fundamentholfundamenthol
NEET2026Physics
Q.

When a ruler falls vertically, 5 different persons catch it with different reactions times.

(g = 9.8 ms)

A. Person A has reaction time of 0.20 s

B. Person B has reaction time of 0.22 s

C. Person C has reaction time of 0.18 s

D. Person D has reaction time of 0.19 s

E. Person E has reaction time of 0.21 s

What is the correct order of the distance travelled by the ruler for each person ?

  1. A

    B > E > A > C > D

  2. B

    C > D > A > E > B

  3. C

    C > D > A > B > E

  4. D

    B > E > A > D > C

Solution

For free fall from rest, , so .

Distance ranking follows the reaction-time ranking. Times in decreasing order: B (0.22) > E (0.21) > A (0.20) > D (0.19) > C (0.18).

So the order of distances is B > E > A > D > C.

← Back to full paper

Practice more Physics

Concept-wise practice with instant solutions on Fundamenthol.

Start practicing →