WBJEE 2021 Physics and Chemistry Solved Paper

Category III (Q36 to Q40)

Carry 2 marks each and one or more option (s) is/are correct. If all correct answers are not marked and also no incorrect answer is marked then score = 2 × number of correct answers marked  actual number of correct answers. If any wrong option is marked or if any combination including a wrong option is marked, the answer will be considered wrong, but there is no negative marking for the same and zero mark will be awarded.

Question : 38 of 80

Marks: +1, -0

The potential energy of a particle of mass 0.02kg moving along x-axis is given by V=Ax(x−4)J where x is in metres and A is a constant. Which of the following is/are correct statement(s)?

The particle is acted upon by a constant force
The particle executes simple harmonic motion
The speed of the particle is maximum at x=2m
The period of oscillation of the particle is
π
5
sec

Validate

Go to Question:

Prev Question

Next Question