Build a question paper in 60 seconds.

1. A
   work is done on the charge.
2. B
   work is done by the charge.
3. C
   work done on the charge is constantly increasing.
4. D
   work done to move a charge is zero.

Tap an option to check your answer.

1. A
   $\frac{P_1 - P_0}{P_2 - P_0}$
2. B
   $\frac{P_2 - P_0}{P_1 - P_0}$
3. C
   $\left(\frac{P_2 - P_0}{P_1 - P_0}\right)^3$
4. D
   $\left(\frac{P_1 - P_0}{P_2 - P_0}\right)^3$

Tap an option to check your answer.

1. A
   168
2. B
   200
3. C
   336
4. D
   400

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   12%
2. B
   14%
3. C
   44%
4. D
   144%

Tap an option to check your answer.

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

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $-1.5$ D
2. B
   $-6.5$ D
3. C
   $+6.5$ D
4. D
   $+1.5$ D

Tap an option to check your answer.

1. A
   $2\pi$ s
2. B
   $\pi$ s
3. C
   $3\pi$ s
4. D
   $4\pi$ s

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $\frac{\mu_0}{4\pi}\frac{I}{r}\left(2 + \frac{\pi}{2}\right)$
2. B
   $\frac{\mu_0}{4\pi}\frac{I}{r}\left(2 - \frac{\pi}{2}\right)$
3. C
   $\frac{\mu_0}{4\pi}\frac{I}{r}\left(2 + \frac{\pi}{2}\right)$ [same]
4. D
   $\frac{\mu_0}{4\pi}\frac{I}{r}\left(2 - \frac{\pi}{2}\right)$ [same]

Tap an option to check your answer.

1. A
   $3\pi a_0$
2. B
   $6\pi a_0$
3. C
   $9\pi a_0$
4. D
   $12\pi a_0$

Tap an option to check your answer.

1. A
   rigid diatomic.
2. B
   monoatomic.
3. C
   non-rigid diatomic.
4. D
   polyatomic.

Tap an option to check your answer.

1. A
   Force of friction.
2. B
   Normal reaction.
3. C
   Gravitational force.
4. D
   Viscous force.

Tap an option to check your answer.

1. A
   $\Delta U = -W$ in an adiabatic process.
2. B
   $\Delta U = W$ in an isothermal process.
3. C
   $\Delta U = -W$ in an isothermal process.
4. D
   $\Delta U = W$ in an adiabatic process.

Tap an option to check your answer.

1. A
   1.2 J
2. B
   2.4 J
3. C
   24 J
4. D
   240 J

Tap an option to check your answer.

1. A
   $\frac{1}{3}I_1$
2. B
   $3I_1$
3. C
   $2I_1$
4. D
   $9I_1$

Tap an option to check your answer.

1. A
   $\sqrt{2GM\left(\frac{1}{R} - \frac{1}{R_0}\right)}$
2. B
   $2GM\left(\frac{1}{R} - \frac{1}{R_0}\right)$
3. C
   $\sqrt{GM\left(\frac{1}{R} - \frac{1}{R_0}\right)}$
4. D
   $2\sqrt{GM\left(\frac{1}{R} - \frac{1}{R_0}\right)}$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   both doubled.
2. B
   made four times.
3. C
   made eight times.
4. D
   both halved simultaneously.

Tap an option to check your answer.

1. A
   0.27 J
2. B
   0.54 J
3. C
   0.81 J
4. D
   54 J

Tap an option to check your answer.

1. A
   $\frac{2\pi}{\lambda}(\mu_1 L_1 - \mu_2 L_2)$
2. B
   $\frac{2\pi}{\lambda}(L_2 - L_1)$
3. C
   $\frac{2\pi}{\lambda}\left(\frac{L_1}{\mu_1} - \frac{L_2}{\mu_2}\right)$
4. D
   $\frac{2\pi}{\lambda}(\mu_2 L_1 - \mu_1 L_2)$

Tap an option to check your answer.

1. A
   256 Hz
2. B
   280 Hz
3. C
   341 Hz
4. D
   512 Hz

Tap an option to check your answer.

1. A
   $162R$
2. B
   $81R$
3. C
   $16.2R$
4. D
   $8.1R$

Tap an option to check your answer.

1. A
   reduced in length.
2. B
   increased in length.
3. C
   made thinner.
4. D
   widened.

Tap an option to check your answer.