Lab Activity: Dissipation of Energy of a Simple Pendulum

Cotyledons are also called-

Which one of the following graphs is not useful to study the energy dissipation of a simple pendulum?

While taking the observations for energy dissipation of a simple pendulum, a student forgot to take observations for the bob. He had taken the readings of another bob of the same mass but a larger radius. What change is expected in his calculations in each observation?

Which of the following action is correct as a student want to increase the initial energy of the simple pendulum?

Which of the following is the correct shape of $A_t^2$ vs $t$ graph to study the energy dissipation of a simple pendulum?

To study the dissipation of energy of a simple pendulum as it oscillates, which one of the following graphs is drawn?

The readings for the amplitude of a simple pendulum must be taken after a couple of swings of the pendulum. Which one of the following is the most appropriate reason for this?

A student want to perform the activity for the simple pendulum by increasing its damping. Which one of the following will be the correct step for it?

Which one of the following apparatus is not required for drawing a $A_t$ vs $t$ graph for a simple pendulum?

Which one of the following steps is not correct while taking observations for the dissipation of energy of a simple pendulum?

The $A_t^2$ vs $t$ graph for a simple pendulum is found to be almost a straight line. Which one of the following statements must be true?

To study the damping of an oscillating pendulum, its motion was observed for $15 \mathrm{s}$. The final and initial readings for its amplitude are $15 \mathrm{cm}$ and $5 \mathrm{cm}$ respectively. What is the ratio of its final and initial energy?

Which one of the following factors does not contribute to the damping in an oscillating pendulum?

A student performed the activity to study the change in amplitude of an oscillating pendulum with time. For this, he has taken the readings and then repeated them with a paper strip attached to the bob. What is the correct statement about this study?

Which one of the following is the shape of the square of amplitude versus time graph, drawn for a simple pendulum?

When a simple pendulum oscillates in air it executes simple harmonic motion. Which one of the following quantities decreases with time?