MCQ
The minimum frequency $\nu $ of continuous $X-$ rays is related to the applied potential difference $V$ as
- A$\nu \propto \sqrt V $
- ✓$\nu \propto V$
- C$\nu \propto {V^{3/2}}$
- D$\nu \propto {V^2}$
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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 | ($4$) $150^{\circ}$ |
| ($5$) $0^{\circ}$ |