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| $List-I$ | $List-II$ |
| ($P$) If $n=2$ and $\alpha=180^{\circ}$, then all the possible values of $\theta_0$ will be | ($1$) $30^{\circ}$ and $0^{\circ}$ |
| ($Q$) If $n=\sqrt{3}$ and $\alpha=180^{\circ}$, then all the possible values of $\theta_0$ will be | ($2$) $60^{\circ}$ and $0^{\circ}$ |
| ($R$) If $n=\sqrt{3}$ and $\alpha=180^{\circ}$, then all the possible values of $\phi_0$ will be | ($3$) $45^{\circ}$ and $0^{\circ}$ |
| ($S$) If $n=\sqrt{2}$ and $\theta_0=45^{\circ}$, then all the possible values of $\alpha$ will be | ($4$) $150^{\circ}$ |
| ($5$) $0^{\circ}$ |
Which of the following statement($s$) is (are) correct?
$(A)$ The value of $\Delta e$ (in radians) is greater than that of $\Delta n$
$(B)$ $\Delta e$ is proportional to $\Delta n$
$(C)$ $\Delta e$ lies between 2.0 and 3.0 milliradians, if $\Delta n=2.8 \times 10^{-3}$
$(D)$ $\Delta e$ lies between 1.0 and 1.6 milliradians, if $\Delta n=2.8 \times 10^{-3}$