Advertisements
Advertisements
प्रश्न
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.
अति संक्षिप्त उत्तर
Advertisements
उत्तर
- Position P will feel warmer than T because when the air gets heated, it rises upwards.
- P → Convection
T → Radiation
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A thermometer uses
Define one kilo-calorie of heat.
Fill in the blank and rewrite the sentence.
If objects of equal masses are given equal heat, their final temperature will be different. This is due to difference in their ................. .
What will absorb heat?
Glass vessel
A wooden knob and a metal latch on a door are both at room temperatures. Explain, why the latch is colder to touch.
The unit of heat and temperature are the same.
If you apply some heat energy to a substance, which of the following can take place in it?
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
We feel the heat on our body when the ______ shines.
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
