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Q. No.The freezing point on a thermometer is marked as \(20^\circ \text{C}\) and the boiling point as \(120^\circ \text{C}.\) What is the value of temperature \(80^\circ \text{C}\) on this thermometer?
1. \(100^\circ \text{C}\)
2. \(50^\circ \text{C}\)
3. \(80^\circ \text{C}\)
4. \(90^\circ \text{C}\)
1. \(100^\circ \text{C}\)
2. \(50^\circ \text{C}\)
3. \(80^\circ \text{C}\)
4. \(90^\circ \text{C}\)
Subtopic: Temperature and Heat |
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The height of Victoria Falls is \(63~ \text{m.}\) What is the difference in temperature of water at the top and at the bottom of the fall?
[given \(1\text{ cal}=4.2\text { J}\) and specific heat of water = \(1\text{ cal}=4.2\text { g}^{-1}~^\circ \text C^{-1}\)]
1. \(0.147^{\circ}\text{C} \)
2. \(14.76^{\circ}\text{C} \)
3. \(1.476^{\circ}\text{C} \)
4. \(0.014^{\circ}\text{C} \)
[given \(1\text{ cal}=4.2\text { J}\) and specific heat of water = \(1\text{ cal}=4.2\text { g}^{-1}~^\circ \text C^{-1}\)]
1. \(0.147^{\circ}\text{C} \)
2. \(14.76^{\circ}\text{C} \)
3. \(1.476^{\circ}\text{C} \)
4. \(0.014^{\circ}\text{C} \)
Subtopic: Temperature and Heat |
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Which would be the most comfortable temperature for your bath water?
| 1. | \(40~\text K\) | 2. | \(110^{\circ} \text {C}\) |
| 3. | \(310~\text K\) | 4. | \(560~\text K\) |
Subtopic: Temperature and Heat |
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On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are and respectively. What will be the temperature on the new scale, corresponding to a temperature of on the Celsius scale?
1.
2.
3.
4.
Subtopic: Temperature and Heat |
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Level 1: 80%+
NEET - 2008
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A resistance thermometer reads \(40~\Omega\) at \(0^\circ\text C\) and \(41~\Omega\) at \(100^\circ\text C.\) The temperature of a sample, when the resistance is \(41.2~\Omega,\) is:
| 1. | \(20^\circ\text C\) | 2. | \(80^\circ\text C\) |
| 3. | \(120^\circ\text C\) | 4. | \(-20^\circ\text C\) |
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 |
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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 |
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The temperature of a body increases by \(45^{\circ}{\text{C}}\) on the Celsius scale. What is the corresponding increase in temperature on the Fahrenheit scale?
| 1. | \(45^ \circ\) F | 2. | \(90^ \circ\) F |
| 3. | \(54^ \circ\) F | 4. | \(81^ \circ\) F |
Subtopic: Temperature and Heat |
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The graph between two temperature scales \(A\) and \(B\) is shown in the figure. Between upper fixed point and lower fixed point there are \(150\) equal division on scale \(A\) and \(100\) on scale \(B.\) The relationship for conversion between the two scales is given by:
1. \(\dfrac{t_A-180}{100}=\dfrac{t_B}{150} \)
2. \(\dfrac{t_A-30}{150}=\dfrac{t_B}{100} \)
3. \(\dfrac{t_B-180}{150}=\dfrac{t_A}{100} \)
4. \(\dfrac{t_B-40}{100}=\dfrac{t_A}{180}\)
1. \(\dfrac{t_A-180}{100}=\dfrac{t_B}{150} \)
2. \(\dfrac{t_A-30}{150}=\dfrac{t_B}{100} \)
3. \(\dfrac{t_B-180}{150}=\dfrac{t_A}{100} \)
4. \(\dfrac{t_B-40}{100}=\dfrac{t_A}{180}\)
Subtopic: Temperature and Heat |
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A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is :
1. 68 cm
2. 6.8 cm
3. 113.9 cm
4. 88 cm
Subtopic: Thermal Expansion |
96%
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NEET - 2019
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