Read the given statements and select the correct option.

Statement $1$: The note heard in the vibration of $30 \mathrm{cm}$ ruler is louder when flicked with larger amplitude.
Statement $2$: Loudness of a sound depends on the amplitude of vibrations.

In which of the following media can sound travel through?
$\left(\mathrm{i}\right)$ Glass of water

$\left(\mathrm{ii}\right)$ Balloon full of air

$\left(\mathrm{iii}\right)$ Iron bar

$\left(\mathrm{iv}\right)$ Vacuum

Consider the following statements and select the correct option which correctly identifies true $\left(\mathrm{T}\right)$ and false $\left(\mathrm{F}\right)$.
$\left(\mathrm{i}\right)$ Short string produces notes of low pitch.
$\left(\mathrm{ii}\right)$ Thin string produces notes of high pitch
$\left(\mathrm{iii}\right)$ Tightly stretched string produces notes of low pitch.

Read the given statements and select the correct option.
Statement $1$: When Ravi saw a film on space wars, he didn't hear any explosions.

Statement $2$: Sound travels slowest through gases.

Observe the given Venn diagram and select the correct option.