- 1(current)
Q. No.1. \(40^\circ\)C
2. \(50^\circ\)C
3. \(60^\circ\)C
4. \(45^\circ\)C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe first liquid has a mass flow rate \(\Big(\dfrac{dm}{dt}\Big)=r_1,\) and its temperature rises by \(\Delta\theta_1.\) For the second liquid, the flow rate \(\Big(\dfrac{dm}{dt}\Big)=r_2,\) and the temperature fall is \(\Delta\theta_2.\) The ratio of their specific heat capacities is:
1. \(\dfrac{\Delta\theta_1}{\Delta\theta_2}\)
2. \(\dfrac{r_1}{r_2}\)
3. \(\dfrac{r_2\Delta\theta_2}{r_1\Delta\theta_1}\)
4. \(\dfrac{r_2\Delta\theta_1}{r_1\Delta\theta_2}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | the heat given |
| 2. | the temperature raised |
| 3. | the mass of the body |
| 4. | the material of the body |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen \(0.15\) kg of ice at \(0^\circ \text{C}\) is mixed with \(0.30\) kg of water at \(50^\circ \text{C}\) in a container, the resulting temperature is \(6.7^\circ \text{C}.\)
The heat of fusion of ice is: (\(S_{\text{water}}=4186\) J kg–1 K–1)
1. \( 3.43 \times 10^4\) Jkg–1
2. \( 3.34 \times 10^4\) Jkg–1
3. \( 3.34 \times 10^5\) Jkg–1
4. \(4.34 \times 10^5\) Jkg–1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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