Day 338: MHT-CET Physics

1. A.
   $N_pN_d = \lambda_d\lambda_p$
2. B.
   $(N_p)/(N_d) = (\lambda_p)/(\lambda_d)$
3. C.
   $2N_p\lambda_d = 3N_d\lambda_p$
4. D.
   $N_p\lambda_p = N_d\lambda_d$

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1. A.
   $8$ Hz
2. B.
   $4$ Hz
3. C.
   $6$ Hz
4. D.
   $1$ Hz

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1. A.
   $\dfrac{A(2\alpha)ms}{\Delta Q}$
2. B.
   $\dfrac{A(2\alpha)\Delta Q}{ms}$
3. C.
   $\dfrac{A\alpha\Delta Q}{ms}$
4. D.
   $\dfrac{A\alpha ms}{\Delta Q}$

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1. A.
   The molar heat capacity is infinite
2. B.
   Work done by the gas equals the increase in internal energy
3. C.
   The molar heat capacity is zero
4. D.
   The internal energy of the gas decreases as the temperature increases

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1. A.
   Improper calibration of thermometer
2. B.
   Zero error of $1\mu\text{ }V$ in voltmeter
3. C.
   Student measures $22^{\circ}$, whereas the correct angle is $20^{\circ}$
4. D.
   Errors resulting from the fluctuations in electric power supply

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