question_answer

For a simple pendulum, a graph is plotted between its kinetic energy (KE) and potential energy (PE) against its displacement d. Which one of the following represents these correctly?                                       [JEE MAIN 2015] (graph are schematic and not drawn to scale)

A)  

B)       

C)        

D)

Correct Answer: D Solution : [d]

Kinetic energy

parabola