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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 & Biology| 1. | 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\(1~\text g\) of water of volume \(1~\text{cm}^3\) at \(100^\circ \text{C}\) is converted into steam at the same temperature under normal atmospheric pressure \(\approx 1\times10^{5}~\text{Pa}.\) The volume of steam formed equals \(1671~\text{cm}^3.\) If the specific latent heat of vaporization of water is \(2256~\text{J/g},\) the change in internal energy is:
1. \(2423~\text J\)
2. \(2089~\text J\)
3. \(167~\text J\)
4. \(2256~\text J\)
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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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