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1. A
   1:3
2. B
   1:$\sqrt{2}$
3. C
   1:1
4. D
   1:$\sqrt{2}$

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1. A
   $\frac{2}{3}X_L$
2. B
   $\frac{3}{2}X_L$
3. C
   $\frac{1}{6}X_L$
4. D
   $6X_L$

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1. A
   4R
2. B
   2R
3. C
   $\frac{R}{2}$
4. D
   $\frac{R}{4}$

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1. A
   $6\pi$ radian
2. B
   $3\pi$ radian
3. C
   $4\pi$ radian
4. D
   $5\pi$ radian

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1. A
   $\frac{G}{25}\,\Omega$
2. B
   $\frac{G}{49}\,\Omega$
3. C
   $\frac{G}{2}\,\Omega$
4. D
   $\frac{G}{99}\,\Omega$

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1. A
   2:1
2. B
   3:2
3. C
   3:4
4. D
   1:3

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1. A
   AND
2. B
   NAND
3. C
   OR
4. D
   NOR

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1. A
   $d\sqrt{\frac{V_1}{V}}$
2. B
   $d\sqrt{\frac{V}{V_1}}$
3. C
   $d\sqrt{\frac{V}{V_1}}$
4. D
   $V_1\sqrt{\frac{d}{V}}$

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1. A
   $V_H<V_C$
2. B
   $V_H=V_e$
3. C
   $V_H=V_C$
4. D
   $V_H>V_e$

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1. A
   $1\times10^{-4}$ J
2. B
   $1.0\times10^{-3}$ J
3. C
   $5\times10^{-3}$ J
4. D
   $2.5\times10^{-3}$ J

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1. A
   3:1
2. B
   9:4
3. C
   3:2
4. D
   4:1

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1. A
   $\frac{7}{2}MR^2$
2. B
   $\frac{13}{2}MR^2$
3. C
   $\frac{29}{2}MR^2$
4. D
   $\frac{55}{2}MR^2$

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1. A
   $\theta_1>\theta_2>\theta_3$
2. B
   $\theta_1>\theta_3>\theta_2$
3. C
   $\theta_1<\theta_2<\theta_3$
4. D
   $\theta_1=\theta_2=\theta_3$

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1. A
   $\frac{D}{2}$
2. B
   $\frac{D}{2}$
3. C
   2D
4. D
   4D

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1. A
   10 $\Omega$
2. B
   15 $\Omega$
3. C
   20 $\Omega$
4. D
   30 $\Omega$

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1. A
   $\frac{3hc}{\lambda}$
2. B
   $\frac{hc}{3\lambda}$
3. C
   $\frac{hc}{\lambda}$
4. D
   $\frac{hc}{2\lambda}$

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1. A
   convergent lens
2. B
   divergent lens
3. C
   plane slab
4. D
   concave mirror

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1. A
   $\frac{1}{2}$
2. B
   $-\frac{1}{2}$
3. C
   2
4. D
   -2

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1. A
   valence band is empty and conduction band is filled with electrons.
2. B
   conduction band is empty and valence band is completely filled with electrons.
3. C
   valence band is partially filled.
4. D
   conduction band is partially filled with electrons.

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1. A
   $TR(\sqrt{2}-2)$
2. B
   $TR(\sqrt{2}+2)$
3. C
   $RT(\sqrt{2}-2)$
4. D
   $RT(2-\sqrt{2})$

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1. A
   $(a+r)\times t$
2. B
   $(a+r)\cdot xt$
3. C
   $-(a+r)\cdot xt$
4. D
   $xt(1-a-r)$ [listed as $\frac{xt}{a+r}$ in paper]

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1. A
   same in both cases.
2. B
   more in the second case than in the first case
3. C
   less in the second case than in the first case.
4. D
   less than the actual frequency in both cases.

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1. A
   $12\times10^{-1}$ N·m
2. B
   $24\times10^{-3}$ N·m
3. C
   $12\times10^{-3}$ N·m
4. D
   $24\times10^{-1}$ N·m

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1. A
   $\frac{L^2}{mr}$
2. B
   $\frac{L^2}{mr^3}$
3. C
   $\frac{mL^2}{r}$
4. D
   $\frac{L^2}{mr^2}$

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1. A
   $68\times10^{-6}$ T
2. B
   $48\times10^{-6}$ T
3. C
   $32\times10^{-6}$ T
4. D
   $16\times10^{-6}$ T

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