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प्रश्न
Which of the following substances will absorb more heat energy?
विकल्प
Solid
Liquid
Gas
All the above
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उत्तर
All the above
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संबंधित प्रश्न
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
Name the SI unit of heat.
We feel the heat on our body when the ______ shines.
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
A marble tile would feel cold as compared to a wooden tile on a winter morning because the marble tile ______.
A circular metal loop is heated at point O as shown in the following figure.
- In which direction would heat flow in the loop?
- In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
In the arrangements A and B shown in the following figure, pins P and Q are fixed to a metal loop and an iron rod with the help of wax. In which case are both the pins likely to fall at different times? Explain.
Observe the picture given in figure. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?
