JEE Main On 08 April 2018 Question 28

Question: All the graphs below are intended to represent the same motion. One of them does it incorrectly. Pick it up. [JEE Main Online 08-04-2018]

Options:

A)

B)

C)

D)

Show Answer

Answer:

Correct Answer: C

Solution:

  • If retardation is uniform, graphs 1, 2, 4 are consistent. Speed first decreases to zero and then increases. But in (c) speed first increases and then decreases and speed is initially zero.