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1. A
   $\frac{\mu_{0}I}{4\pi r}(2 - \pi)$
2. B
   $\frac{\mu_{0}I}{4\pi r}(2 + \pi)$
3. C
   $\frac{\mu_{0}I}{2\pi r}(2 + \pi)$
4. D
   $\frac{\mu_{0}I}{2\pi r}(2 - \pi)$

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1. A
   $2.44\mu A$
2. B
   $2.44\text{ }mA$
3. C
   $4.87\text{ }mA$
4. D
   $4.87\mu A$

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1. A
   $\frac{K_{2}}{{\text{ }K}_{1}}$
2. B
   $\frac{K_{1}}{{\text{ }K}_{2}}$
3. C
   $\sqrt{\frac{K_{1}}{{\text{ }K}_{2}}}$
4. D
   $\sqrt{\frac{K_{2}}{{\text{ }K}_{1}}}$

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1. A
   (A)-(i),(B)-(iii),(C)-(iv),(D)-(ii)
2. B
   (A)-(ii),(B)-(iv),(C)-(iii),(D)-(i)
3. C
   (A)-(ii),(B)-(iii),(C)-(iv),(D)-(i)
4. D
   (A)-(ii),(B)-(iii),(C)-(i),(D)-(iv)

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1. A
   $v\sqrt{\frac{M}{2K}}$
2. B
   $\sqrt{\frac{mv}{2K}}$
3. C
   $\sqrt{\frac{mv}{K}}$
4. D
   $\sqrt{\frac{m}{2K}}$

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1. A
   Brackett series
2. B
   Paschen series
3. C
   Lyman series
4. D
   Balmer series

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1. A
   $v_{1}^{2} - v_{2}^{2} = \frac{2\text{ }h}{\text{ }m}\left\lbrack f_{1} - f_{2} \right\rbrack$
2. B
   $v_{1}^{2} + v_{2}^{2} = \frac{2h}{m}\left\lbrack f_{1} + f_{2} \right\rbrack$
3. C
   $v_{1} + v_{2} = \left\lbrack \frac{2h}{m}\left( f_{1} + f_{2} \right) \right\rbrack^{\frac{1}{2}}$
4. D
   $v_{1} - v_{2} = \left\lbrack \frac{2\text{ }h}{\text{ }m}\left( f_{1} - f_{2} \right) \right\rbrack^{1/2}$

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1. A
   Both, inductive reactance and current will be halved.
2. B
   Inductive reactance will be halved and current will be doubled.
3. C
   Inductive reactance will be doubled and current will be halved.
4. D
   Both, inducting reactance and current will be doubled.

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1. A
   $0.60\text{ }s$
2. B
   $0.52\text{ }s$
3. C
   $0.57\text{ }s$
4. D
   $0.80\text{ }s$

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1. A
   Pyranose
2. B
   Ketohexose
3. C
   Aldohexose
4. D
   Heptose

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1. A
   $Li - Mg$
2. B
   $B - Si$
3. C
   $Be - Al$
4. D
   $Li - Na$

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1. A
   $- {SO}_{3}H$ and $- {NH}_{2}$
2. B
   $- {SO}_{3}H$ and $- COOH$
3. C
   $- {NH}_{2}$ and $- COOH$
4. D
   $- {NH}_{2}$ and $- {SO}_{3}H$

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1. A
   (A)-(ii), (B)-(iii), (C)-(i), (D)-(iv)
2. B
   (A)-(iv), (B)-(i), (C)-(ii), (D)-(iii)
3. C
   (A)-(i), (B)-(iii), (C)-(ii), (D)-(iv)
4. D
   (A)-(ii), (B)-(i), (C)-(iv), (D)-(iii)

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1. A
   (B) and (C) only
2. B
   (A) only
3. C
   (A) and (C) only
4. D
   (B) only

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1. A
   $NO$ and $N_{2}O$
2. B
   $N_{2}O$ and $N_{2}O_{3}$
3. C
   $N_{2}O$ and ${NO}_{2}$
4. D
   $NO$ and ${NO}_{2}$

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1. A
   (A)-(iii), (B)-(i), (C)-(ii), (D)-(iv)
2. B
   (A)-(iv), (B)-(ii), (C)-(iii), (D)-(i)
3. C
   (A)-(ii), (B)-(i), (C)-(iii), (D)-(iv)
4. D
   (A)-(i), (B)-(ii), (C)-(iii), (D)-(iv)

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1. A
   Para-Toluene sulphonyl chloride
2. B
   Chloroform and $KOH$
3. C
   Benzene sulphonic acid
4. D
   Acetyl amide

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1. A
   +2 to +6
2. B
   +1 and +3 to +6
3. C
   +1 and +3
4. D
   +1 to +6

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1. A
   (A)-(iv), (B)-(iii), (C)-(ii), (D)-(i)
2. B
   (A)-(ii), (B)-(i), (C)-(iv), (D)-(iii)
3. C
   (A)-(iii), (B)-(ii), (C)-(iv), (D)-(i)
4. D
   (A)-(i), (B)-(ii), (C)-(iv), (D)-(iii)

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1. A
   Both statement I and statement II are correct
2. B
   Both statement I and statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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

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1. A
   ${NO}_{2}$
2. B
   ${Cl}_{2}O$
3. C
   $O_{3}$
4. D
   $N_{3}^{-}$

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1. A
   Amylase and Invertase
2. B
   Invertase and Amylase
3. C
   Invertase and Zymase
4. D
   Zymase and Invertase

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1. A
   $Ca(OH)_{2}$
2. B
   ${NaHCO}_{3}$
3. C
   ${CaCl}_{2}$
4. D
   ${NH}_{4}Cl$

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

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