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Q. No.| 1. | \(\Delta Q=\Delta U+\Delta W\) |
| 2. | \(\Delta U=\Delta Q+\Delta W\) |
| 3. | \(\Delta U=\Delta Q-\Delta W\) |
| 4. | \(\Delta U+\Delta Q+\Delta W=0\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. work done by the system is \(120\) J.
2. work done on the system is \(120\) J.
3. work done by the system is \(80\) J.
4. work done on the system is \(80\) J.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf an average person jogs, he produces \(14.5 \times10^3\) cal/min. This is removed by the evaporation of sweat. The amount of sweat evaporated per minute (assuming \(1\) kg requires \(580 \times10^3\) cal for evaporation) is:
1. \(0.25\) kg
2. \(0.50\) kg
3. \(0.025\) kg
4. \(0.20\) kg
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology\(1\) g of water of volume \(1\) cm3 at \(100^\circ \text{C}\) is converted into steam at the same temperature under normal atmospheric pressure \(\approx 1\times10^{5} \) Pa. The volume of steam formed equals \(1671\) cm3. If the specific latent heat of vaporization of water is \(2256\) J/g, the change in internal energy is:
1. \(2423\) J
2. \(2089\) J
3. \(167\) J
4. \(2256\) J
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(U_0\mathrm{ln}(2)\)
2. \(\frac12U_0~\mathrm{ln}(2)\)
3. \(\frac13U_0~\mathrm{ln}(2)\)
4. \(\frac23U_0~\mathrm{ln}(2)\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe first law of thermodynamics is a statement of:
| 1. | conservation of heat |
| 2. | conservation of work |
| 3. | conservation of momentum |
| 4. | conservation of energy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the process on a system shown in the figure. During the process, the work done by the system:
| 1. | continuously increases |
| 2. | continuously decreases |
| 3. | first increases then decreases |
| 4. | first decreases then increases |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn ideal gas goes from the state \(i\) to the state \(f\) as shown in figure given below. The work done by the gas during the process,
| 1. | is positive |
| 2. | is negative |
| 3. | is zero |
| 4. | cannot be obtained from this information |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
1. \(200\) J
2. zero
3. \(400\) J
4. \(600\) J
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe molar specific heat at a constant pressure of an ideal gas is \(\dfrac{7}{2}R.\) The ratio of specific heat at constant pressure to that at constant volume is:
1. \(\dfrac{7}{5}\)
2. \(\dfrac{8}{7}\)
3. \(\dfrac{5}{7}\)
4. \(\dfrac{9}{7}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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