Build a question paper in 60 seconds.

1. A
   1:8
2. B
   1:8
3. C
   1:3
4. D
   1:3

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1. A
   64 E
2. B
   32 E
3. C
   16E
4. D
   8 E

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1. A
   10.2 eV
2. B
   13.6 eV
3. C
   -10.2 eV
4. D
   -3.4 eV

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1. A
   $\left(\frac{4P_1-P_2}{\rho}\right)^{1/2}$
2. B
   $\left(\frac{4P_2-P_1}{\rho}\right)^{1/2}$
3. C
   $\left(\frac{2(P_1-P_2)}{\rho}\right)^{1/2}$
4. D
   $\left(\frac{2(P_2-P_1)}{\rho}\right)^{1/2}$

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1. A
   $\sin^{-1}\!\left(\frac{1}{2}\right)$
2. B
   $\sin^{-1}\!\left(\frac{3}{4}\right)$
3. C
   $\sin^{-1}\!\left(\frac{1}{4}\right)$
4. D
   $\sin^{-1}\!\left(\frac{3}{5}\right)$

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1. A
   $\frac{1}{\mu}=\cos\delta-\sin\delta\tan i$
2. B
   $\frac{1}{\mu}=\sin\delta-\cos\delta\tan i$
3. C
   $\frac{1}{\mu}=\cos\delta-\sin\delta\cdot\tan i$
4. D
   $\frac{1}{\mu}=\sin\delta-\cos\delta\cdot\tan i$

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1. A
   $n_1=2n_2$
2. B
   $n_1=n_2$
3. C
   $2n_1=n_2$
4. D
   $3n_1=4n_2$

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1. A
   zero
2. B
   0.25 A
3. C
   0.50 A
4. D
   0.75 A

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1. A
   $\frac{7}{9}$
2. B
   $\frac{10}{11}$
3. C
   $\frac{11}{10}$
4. D
   $\frac{9}{7}$

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1. A
   $2\,\mu m$
2. B
   $4\,\mu m$
3. C
   $6\,\mu m$
4. D
   $8\,\mu m$

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1. A
   $\frac{3V^2}{8Js}$
2. B
   $\frac{5V^2}{8Js}$
3. C
   $\frac{3V^2}{4Js}$
4. D
   $\frac{5V^2}{4Js}$

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1. A
   decreases with increase in frequency of incident photon.
2. B
   increases with increase in frequency of incident photon.
3. C
   does not depend on the frequency of photon but depends only on the intensity of incident light.
4. D
   depends both on intensity and frequency of incident radiation.

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1. A
   0.5
2. B
   1
3. C
   2
4. D
   1.5

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1. A
   $\frac{1}{4\pi\varepsilon_0}\frac{2q}{L}\left(1+\frac{1}{\sqrt{5}}\right)$
2. B
   $\frac{1}{4\pi\varepsilon_0}\frac{2q}{L}\left(1-\frac{1}{\sqrt{5}}\right)$
3. C
   $\frac{1}{4\pi\varepsilon_0}\frac{2q}{L}(1-\sqrt{5})$
4. D
   $\frac{1}{4\pi\varepsilon_0}\frac{2q}{L}(1+\sqrt{5})$

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

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1. A
   $2\pi\,\text{V}$
2. B
   $2.4\pi\,\text{V}$
3. C
   $5\pi\,\text{V}$
4. D
   $7.2\pi\,\text{V}$

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1. A
   0,0
2. B
   0,1
3. C
   1,0
4. D
   1,1

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1. A
   5 beats/s with maximum intensity 25 units
2. B
   6 beats/s with maximum intensity 16 units
3. C
   3 beats/s with maximum intensity 25 units
4. D
   1 beats/s with maximum intensity 5 units

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1. A
   $\sqrt{\frac{3H}{\rho}}$
2. B
   $\sqrt{\frac{5H}{\rho}}$
3. C
   $\sqrt{\frac{6H}{\rho}}$
4. D
   $\sqrt{\frac{9H}{\rho}}$

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

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1. A
   1.22
2. B
   1.33
3. C
   1.44
4. D
   1.55

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1. A
   2
2. B
   3
3. C
   4
4. D
   5

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

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1. A
   $\frac{3}{2}\,\text{J}$
2. B
   $\frac{5}{2}\,\text{J}$
3. C
   $\frac{7}{2}\,\text{J}$
4. D
   $\frac{9}{2}\,\text{J}$

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1. A
   1:2
2. B
   2:3
3. C
   3:4
4. D
   5:3

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