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प्रश्न
The fig. shows a glass tumbler containing hot milk which is placed in a tub of cold water. State the direction in which heat will flow.
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उत्तर
When we bring two objects of different temperature together, energy will always be transferred from hotter to the cooler object.
Here, also heat will flow from hot milk tumbler to tub of cold water.
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संबंधित प्रश्न
Write true or false for a given statement.
All solids expand by the same amount when heated to the same rise in temperature.
Fill in the blank
Liquids expand _______ than the solids.
Fill in the blank
Metals are _______ of heat.
Select the correct alternative
Which of the statement is correct
Describe one experiment to show that liquids expand on heating.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into the water. Explain the reason.
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Explain why the water pipes are covered with cotton during very cold weather.
Match the following
| 1. | Solid to liquid | a. | Condensation |
| 2. | Liquid to gas | b. | Deposition |
| 3. | Gas to solid | c. | Melting |
| 4. | Gas to liquid | d. | Vaporization |
______ is greater for liquids than solids and it is maximum in gases.
