The frequencies of $X-$rays,$\gamma-$rays and ultraviolet rays are respectively $p, q$ and $r$. Then which of the following is correct?

Snakes can detect which type of waves?

The wavelengths of Gamma rays,$X$-rays,and microwaves are respectively $\lambda_r, \lambda_x$,and $\lambda_m$. Then which of the following relations is correct?

Match the electromagnetic radiations given in List-$I$ with their uses given in List-$II$.
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$) $X$-rays | $P$) Remote switches |
| $B$) $UV$-rays | $Q$) Finger prints in forensic labs |
| $C$) Radio waves | $R$) Crystal structure study |
| $D$) $IR$-rays | $S$) $TV$ communication system |

Which of the following waves is used in a speed gun to measure the speed of a ball in a cricket match?

Which of the following radiations has the highest frequency?