Build a question paper in 60 seconds.

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

Tap an option to check your answer.

1. A
   300 m/s
2. B
   400 m/s
3. C
   500 m/s
4. D
   600 m/s

Tap an option to check your answer.

1. A
   $\\\frac{\mu_0 \pi n d^2}{2}$
2. B
   $4\mu_0 \pi n d^2$
3. C
   $\mu_0 \pi n d^2$
4. D
   $\\\frac{4\mu_0 \pi n^2 d^2}{4}$

Tap an option to check your answer.

1. A
   zero
2. B
   $mg$
3. C
   $3\,mg$
4. D
   $6\,mg$

Tap an option to check your answer.

1. A
   $\\\frac{N_1 T_1}{N_2 T_2}$
2. B
   $\\\frac{N_2 T_2}{N_1 T_1}$
3. C
   $\\\frac{N_1 T_2}{N_2 T_1}$
4. D
   $\\\frac{N_1 T_2}{N_1 T_2}$

Tap an option to check your answer.

1. A
   16:1
2. B
   256:1
3. C
   81:1
4. D
   128:1

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   the momentum changes by $mv$
2. B
   the momentum changes by $2mv$
3. C
   the kinetic energy changes by $\\\frac{1}{2}mv^2$
4. D
   the kinetic energy changes by $mv^2$

Tap an option to check your answer.

1. A
   $10\,\Omega$
2. B
   $15\,\Omega$
3. C
   $20\,\Omega$
4. D
   $25\,\Omega$

Tap an option to check your answer.

1. A
   $\\\frac{1}{2}g t_1 t_2$
2. B
   $\\\frac{1}{2}g t_1 t_2$
3. C
   $g t_1 t_2$
4. D
   $2g t_1 t_2$

Tap an option to check your answer.

1. A
   6
2. B
   9
3. C
   12
4. D
   15

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $\\\frac{2(l+e)}{3}$
2. B
   $\\\frac{2(l+2e)}{3}$
3. C
   $\\\frac{4(l+e)}{5}$
4. D
   $\\\frac{4(l+2e)}{5}$

Tap an option to check your answer.

1. A
   $\\\frac{\beta}{P}$
2. B
   $\\\frac{\beta}{(P-1)}$
3. C
   $\\\frac{2\beta}{(2P-1)}$
4. D
   $\\\frac{(2\beta+1)}{(2P-1)}$

Tap an option to check your answer.

1. A
   $\\\frac{\mu x}{\mu - 1}$
2. B
   $\\\frac{(\mu-1)x}{\mu}$
3. C
   $\\\frac{\mu-1}{\mu x}$
4. D
   $\\\frac{\mu}{(\mu-1)x}$

Tap an option to check your answer.

1. A
   $m_1$
2. B
   $m_2$
3. C
   $m_3$
4. D
   $m_4$

Tap an option to check your answer.

1. A
   $\\\frac{3mL^2}{5\pi^2}$
2. B
   $\\\frac{3mL^3}{8\pi^2}$
3. C
   $\\\frac{3mL^3}{4\pi^2}$
4. D
   $\\\frac{3mL^2}{7\pi^2}$

Tap an option to check your answer.

1. A
   4.00 mV
2. B
   3.75 mV
3. C
   3.00 mV
4. D
   2.50 mV

Tap an option to check your answer.

1. A
   $\\\frac{2F}{\sqrt{3}}$
2. B
   $\\\frac{F}{1.5}$
3. C
   $F$
4. D
   $\\\frac{F}{\sqrt{3}}$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   Energy exchanged is used to do work.
2. B
   Perfect thermal equilibrium with environment
3. C
   Equation of state pV is not constant.
4. D
   No change in internal energy.

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   256 Hz
2. B
   288 Hz
3. C
   297 Hz
4. D
   320 Hz

Tap an option to check your answer.

1. A
   25 V
2. B
   2.5 V
3. C
   250 V
4. D
   20 V

Tap an option to check your answer.

1. A
   $\\\frac{R}{8}$
2. B
   $\\\frac{R}{6}$
3. C
   $\\\frac{R}{4}$
4. D
   $\\\frac{R}{9}$

Tap an option to check your answer.