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Y26-T0 2/2

Разбалловка

A1  0.70

1 $E=\dfrac{1-r^2}{1-r^2e^{I \delta}} E_0$ 0.20
2 $\delta=2h\cos{\theta}$ 0.20
3 $I=\dfrac{(1-r^2)^2}{1+r^4-2r^2\cos{(2hk\cos{\theta})}}I_0$ 0.30
A2  1.00

1 $|\delta k|=\dfrac{\pi \Delta \lambda}{\lambda^2}$ 0.20
2 $\Delta \lambda = \dfrac{1-r^2}{\pi m r}\lambda$ 0.80
A3  0.50

1 $\dfrac{\lambda}{\delta \lambda}=\dfrac{\pi m r}{1-r^2}$ 0.20
2 $\dfrac{\lambda}{\delta \lambda} \approx 2.6\cdot 10^6$ 0.30
A1  1.50

1 $v_1=\dfrac{mv^2b}{\sqrt{4\alpha^2+m^2v^4b^2}}v$ 0.40
2 $v_2=\dfrac{2\alpha}{\sqrt{4\alpha^2+m^2v^4b^2}}v$ 0.40
3 $\theta_1=\arctan{\dfrac{2\alpha}{mv^2b}}$ 0.35
4 $\theta_2=\arctan{\dfrac{mv^2b}{2\alpha}}$ 0.35
A1  0.40

1 $\vec{E_{in}}=\dfrac{3}{\varepsilon_r+2}\vec{E_{0}}$ 0.20
2 $\vec{p}=\dfrac{\varepsilon_r-1}{\varepsilon_r+2} \cdot 4 \pi \varepsilon_0 R^3\vec{E_{0}}$ 0.20
A2  0.40

1 $\vec{j}=\dfrac{ne^2}{\gamma m} \vec{E}$ 0.30
2 $\sigma_0=\dfrac{ne^2}{\gamma m}$ 0.10
A3  0.50

1 $\sigma (\omega) =\dfrac{\varepsilon_0 \omega_p^2}{\gamma + i \omega}=\dfrac{\varepsilon_0 \omega_p^2 \gamma}{\gamma^2+ \omega^2}- i \dfrac{\varepsilon_0 \omega_p^2 \omega}{\gamma^2 + \omega^2}$ 0.50