Build a question paper in 60 seconds.

1. A
   425
2. B
   650
3. C
   250
4. D
   925

Tap an option to check your answer.

1. A
   $(0, \pm \sqrt{3})$
2. B
   $\left( \frac{1}{2}, \pm \frac{\sqrt{5}}{2} \right)$
3. C
   $\left( 2, \pm \frac{3}{2} \right)$
4. D
   $(1, \pm 2)$

Tap an option to check your answer.

1. A
   $\sin^{- 1}\left( \frac{1}{\sqrt{3}} \right)$
2. B
   $\cos^{- 1}\left( \frac{1}{\sqrt{3}} \right)$
3. C
   $\cos^{- 1}\left( \frac{1}{\sqrt{2}} \right)$
4. D
   $\sin^{- 1}\left( \frac{1}{\sqrt{6}} \right)$

Tap an option to check your answer.

1. A
   $\frac{32}{625}$
2. B
   $\frac{80}{243}$
3. C
   $\frac{40}{243}$
4. D
   $\frac{128}{625}$

Tap an option to check your answer.

1. A
   $\frac{\pi}{8}$
2. B
   $\frac{\pi}{4}$
3. C
   $\frac{\pi}{6}$
4. D
   $\frac{\pi}{3}$

Tap an option to check your answer.

1. A
   R is symmetric, transitive but not reflexive,
2. B
   $R$ is reflexive, symmetric but not transitive
3. C
   $R$ is an equivalence relation
4. D
   R is reflexive, transitive but not symmetric

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   350
2. B
   500
3. C
   400
4. D
   250

Tap an option to check your answer.

1. A
   $\frac{\pi}{8}$
2. B
   $\frac{3\pi}{8}$
3. C
   $\frac{3\pi}{2}$
4. D
   $\frac{\pi}{16}$

Tap an option to check your answer.

1. A
   $- \frac{5}{2}$
2. B
   -2
3. C
   -3
4. D
   $- \frac{3}{2}$

Tap an option to check your answer.

1. A
   $48.8 \times 10^{11}$
2. B
   $1.73 \times 10^{10}$
3. C
   $17.3 \times 10^{10}$
4. D
   $1.73 \times 10^{12}$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $13.6eV$
2. B
   $2815.2eV$
3. C
   $331.2eV$
4. D
   $27.2eV$

Tap an option to check your answer.

1. A
   $0.6\widehat{j}V/m$
2. B
   $6.0\widehat{kV/m}$
3. C
   $6.0\widehat{j}V/m$
4. D
   $0.6\widehat{k}V/m$

Tap an option to check your answer.

1. A
   $\omega\frac{M}{M + m}$
2. B
   $\omega\frac{M + 2m}{M}$
3. C
   $\omega\frac{M}{M + 2m}$
4. D
   $\omega\frac{M - 2m}{M + 2m}$

Tap an option to check your answer.

1. A
   $12\text{ }T$
2. B
   $6\text{ }T$
3. C
   $9\text{ }T$
4. D
   $1\text{ }T$

Tap an option to check your answer.

1. A
   $2\%$
2. B
   $3\%$
3. C
   $5\%$
4. D
   $4\%$

Tap an option to check your answer.

1. A
   $t^{2/3}$
2. B
   $t^{3/2}$
3. C
   $t$
4. D
   $t^{1/2}$

Tap an option to check your answer.

1. A
   \(\)\frac{1}{2}k_{B}T
2. B
   \(\)\frac{2}{3}k_{B}T
3. C
   \(\)\frac{3}{2}k_{B}T
4. D
   \(\)k_{B}T$

Tap an option to check your answer.

1. A
   None of the above
2. B
   $T_{1/2} = T_{1/2}^{(a)} + T_{1/2}^{(b)}$
3. C
   $T_{1/2} = \frac{T_{1/2}^{(a)}\,T_{1/2}^{(b)}}{T_{1/2}^{(a)} + T_{1/2}^{(b)}}$
4. D
   $T_{1/2} = \frac{T_{1/2}^{(a)} + T_{1/2}^{(b)}}{T_{1/2}^{(a)} - T_{1/2}^{(b)}}$

Tap an option to check your answer.

1. A
   $- 500\text{ }J$
2. B
   $- 400\text{ }J$
3. C
   $400\text{ }J$
4. D
   $200\text{ }J$

Tap an option to check your answer.

1. A
   $1178 \times 10^{- 9}\text{ }m$
2. B
   $1178 \times 10^{- 6}\text{ }m$
3. C
   $1178 \times 10^{- 12}\text{ }m$
4. D
   $5890 \times 10^{- 7}\text{ }m$

Tap an option to check your answer.

1. A
   $\frac{1}{16}$ times the mass of $e^{-}$
2. B
   8 times the mass of $e^{-}$
3. C
   16 times the mass of $e^{-}$
4. D
   $\frac{1}{8}$ times the mass of $e^{-}$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   3.9
2. B
   8.4
3. C
   7.5
4. D
   3.0

Tap an option to check your answer.