What is the atomicity of neon?

All the gases form cathode rays and anode rays when electricity is passed through them: What does the formation of anode rays tell us about the atoms?

The hanging bob of a simple pendulum is displaced to one extreme position $B$ and then released. It swings towards the centre position $A$ and then to the other position $C$. In which position does the bob have maximum potential energy? Give reasons for your answer.

On the graph paper given in figure $\mathrm{Y}$, draw a trace of the sound wave, which has a higher frequency than that shown in Figure $\mathrm{X}$.

On the graph paper shown in Figure $Y$, draw a trace of the sound wave, which has a larger amplitude than that shown in figure $X$.