146648 If $60 \%$ of the kinetic energy of water falling from $210 \mathrm{~m}$ high water fall is converted into heat. The raise in temperature of water at the bottom of the falls is nearly (specific heat of water $=\mathbf{4 . 2} \times 10^{3} \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ )

146649 The specific heat capacities of an ideal gas at the constant pressure and at constant volume are $620 \mathrm{Jkg}^{-1} \mathrm{k}^{-1}$ and $420 \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ Respectively. The density of the gas at STP is approximately,

146650 Electrical energy costs 25 paisa per kilowatt hour. Assuming that no energy is wasted, the cost of heating $4.6 \mathrm{~kg}$ of water from $25^{\circ} \mathrm{C}$ to the boiling point is

146651 The specific heat capacities of three liquids $A$,
$B$ and $C$ are in the ratio, $1: 2: 3$ and the masses of the liquids are in the ratio $1: 1: 1$. The temperatures of the liquids $A, B$ and $C$ are $15^{\circ} \mathrm{C}, 30^{\circ} \mathrm{C}$ and $45^{\circ} \mathrm{C}$, respectively. Then matched the resultant temperature of the mixture given in List-II with the corresponding mixture given in List-I.
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| A. | Mixture of liquids A and B | i. | $25^{\circ} \mathrm{C}$ |
| B. | Mixture of liquids B and C | ii. | $35^{\circ} \mathrm{C}$ |
| C. | Mixture of liquids C and A | iii. | $37.5^{\circ} \mathrm{C}$ |
| D. | Mixture of liquids A,B and C | iv. | $39^{\circ} \mathrm{C}$ |

146648 If $60 \%$ of the kinetic energy of water falling from $210 \mathrm{~m}$ high water fall is converted into heat. The raise in temperature of water at the bottom of the falls is nearly (specific heat of water $=\mathbf{4 . 2} \times 10^{3} \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ )

146649 The specific heat capacities of an ideal gas at the constant pressure and at constant volume are $620 \mathrm{Jkg}^{-1} \mathrm{k}^{-1}$ and $420 \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ Respectively. The density of the gas at STP is approximately,

146650 Electrical energy costs 25 paisa per kilowatt hour. Assuming that no energy is wasted, the cost of heating $4.6 \mathrm{~kg}$ of water from $25^{\circ} \mathrm{C}$ to the boiling point is

146651 The specific heat capacities of three liquids $A$,
$B$ and $C$ are in the ratio, $1: 2: 3$ and the masses of the liquids are in the ratio $1: 1: 1$. The temperatures of the liquids $A, B$ and $C$ are $15^{\circ} \mathrm{C}, 30^{\circ} \mathrm{C}$ and $45^{\circ} \mathrm{C}$, respectively. Then matched the resultant temperature of the mixture given in List-II with the corresponding mixture given in List-I.
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| A. | Mixture of liquids A and B | i. | $25^{\circ} \mathrm{C}$ |
| B. | Mixture of liquids B and C | ii. | $35^{\circ} \mathrm{C}$ |
| C. | Mixture of liquids C and A | iii. | $37.5^{\circ} \mathrm{C}$ |
| D. | Mixture of liquids A,B and C | iv. | $39^{\circ} \mathrm{C}$ |

146648 If $60 \%$ of the kinetic energy of water falling from $210 \mathrm{~m}$ high water fall is converted into heat. The raise in temperature of water at the bottom of the falls is nearly (specific heat of water $=\mathbf{4 . 2} \times 10^{3} \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ )

146649 The specific heat capacities of an ideal gas at the constant pressure and at constant volume are $620 \mathrm{Jkg}^{-1} \mathrm{k}^{-1}$ and $420 \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ Respectively. The density of the gas at STP is approximately,

146650 Electrical energy costs 25 paisa per kilowatt hour. Assuming that no energy is wasted, the cost of heating $4.6 \mathrm{~kg}$ of water from $25^{\circ} \mathrm{C}$ to the boiling point is

146651 The specific heat capacities of three liquids $A$,
$B$ and $C$ are in the ratio, $1: 2: 3$ and the masses of the liquids are in the ratio $1: 1: 1$. The temperatures of the liquids $A, B$ and $C$ are $15^{\circ} \mathrm{C}, 30^{\circ} \mathrm{C}$ and $45^{\circ} \mathrm{C}$, respectively. Then matched the resultant temperature of the mixture given in List-II with the corresponding mixture given in List-I.
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| A. | Mixture of liquids A and B | i. | $25^{\circ} \mathrm{C}$ |
| B. | Mixture of liquids B and C | ii. | $35^{\circ} \mathrm{C}$ |
| C. | Mixture of liquids C and A | iii. | $37.5^{\circ} \mathrm{C}$ |
| D. | Mixture of liquids A,B and C | iv. | $39^{\circ} \mathrm{C}$ |

146648 If $60 \%$ of the kinetic energy of water falling from $210 \mathrm{~m}$ high water fall is converted into heat. The raise in temperature of water at the bottom of the falls is nearly (specific heat of water $=\mathbf{4 . 2} \times 10^{3} \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ )

146649 The specific heat capacities of an ideal gas at the constant pressure and at constant volume are $620 \mathrm{Jkg}^{-1} \mathrm{k}^{-1}$ and $420 \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ Respectively. The density of the gas at STP is approximately,

146650 Electrical energy costs 25 paisa per kilowatt hour. Assuming that no energy is wasted, the cost of heating $4.6 \mathrm{~kg}$ of water from $25^{\circ} \mathrm{C}$ to the boiling point is

146651 The specific heat capacities of three liquids $A$,
$B$ and $C$ are in the ratio, $1: 2: 3$ and the masses of the liquids are in the ratio $1: 1: 1$. The temperatures of the liquids $A, B$ and $C$ are $15^{\circ} \mathrm{C}, 30^{\circ} \mathrm{C}$ and $45^{\circ} \mathrm{C}$, respectively. Then matched the resultant temperature of the mixture given in List-II with the corresponding mixture given in List-I.
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| A. | Mixture of liquids A and B | i. | $25^{\circ} \mathrm{C}$ |
| B. | Mixture of liquids B and C | ii. | $35^{\circ} \mathrm{C}$ |
| C. | Mixture of liquids C and A | iii. | $37.5^{\circ} \mathrm{C}$ |
| D. | Mixture of liquids A,B and C | iv. | $39^{\circ} \mathrm{C}$ |