The following diagram shows a pendulum at different positions. Which one of the following statement is true? 1. The pendulum has minimum potential energy at positions P and T. 2. The pendulum has minimum potential energy at positions Q and S. 3. The pendulum has minimum potential energy at position R. 4. The pendulum has same potential energy at all positions.

An electron and a proton starting from rest are accelerated through a potential difference of 1000 V. Which one of the following statements in this regard is correct?

Which one of the following statements regarding simple pendulum is correct ? Simple pendulum has a time period independent of amplitude :

An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speeds of the electron and the proton are Ve and Vp respectively. Which one of the follow…

Which one of the following statements regarding motion is correct?

Which one of the following about different frictional forces is correct?