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Q. No.A \(100\) g of iron nail is hit by a \(1.5\) kg hammer striking at a velocity of \(60\) ms–1. What will be the rise in the temperature of the nail if one-fourth of the energy of the hammer goes into heating the nail?
[Specific heat capacity of iron = \(0.42\) Jg–1 °C–1]
[Specific heat capacity of iron = \(0.42\) Jg–1 °C–1]
| 1. | \(675\)°C | 2. | \(1600\)°C |
| 3. | \(16.07\)°C | 4. | \(6.75\)°C |
Subtopic: Temperature and Heat |
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Level 2: 60%+
JEE
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A scale reads the melting point of ice \(-15^\circ ~\text{X}\) and the boiling point \(65^\circ~\text{X}.\) Then, \(95^\circ~\text{X}\) temperature in Fahrenheit is:
1. \(428~\text F\)
2. \(280~\text F\)
3. \(350~\text F \)
4. \(210~\text F \)
1. \(428~\text F\)
2. \(280~\text F\)
3. \(350~\text F \)
4. \(210~\text F \)
Subtopic: Temperature and Heat |
78%
Level 2: 60%+
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The temperatures of equal masses of three different liquids \({x, y}\) and \({z}\) are \(10^\circ\text{C},20^\circ\text{C}\) and \(30^\circ\text{C}\)respectively. The temperature of the mixture when \(x\) is mixed with \(y\) is \(16^\circ\text{C}\) and that when \(y\) is mixed with \(z\) is \(26^\circ\text{C}.\) The temperature of the mixture when \(x\) and \(z\) are mixed will be:
1. \(28.32^\circ\text{C}\)
2. \(23.84^\circ\text{C}\)
3. \(25.62^\circ\text{C}\)
4. \(20.28^\circ\text{C}\)
1. \(28.32^\circ\text{C}\)
2. \(23.84^\circ\text{C}\)
3. \(25.62^\circ\text{C}\)
4. \(20.28^\circ\text{C}\)
Subtopic: Temperature and Heat |
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A temperature change of \(40^\circ \text C\) corresponds to a change of how many degrees Fahrenheit?
| 1. | \(56^\circ \text F\) | 2. | \(62^\circ \text F\) |
| 3. | \(82^\circ \text F\) | 4. | \(72^\circ \text F\) |
Subtopic: Temperature and Heat |
77%
Level 2: 60%+
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Which of the following figure represents the relation between Celsius and Fahrenheit temperatures?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Temperature and Heat |
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Q. No.
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