PDF chapter test TRY NOW
Materials Required:
- Vessel
- Thermometer
- Water
- Stove (Heat source)
Procedure:
Take one litre water in a pan, and heat it on a stove.
Calculate the time taken to start boiling. (i.e. the time taken to thermometer reading goes up to \(100°C\)).
Take five litre water in another pan and heat it on the same stove.
Calculate the time taken by the water to start boiling.
Solution:
In which pan the water starts to boil earlier?
Both, however, show a temperature of \(100°C\) at the boiling point. Five litre water takes to boil i.e. is needed to boil the larger amount of water. So, five litre boiling water has than one litre water.
Place an open can of lukewarm water in each pan. Observe their temperature to find out which can gets hotter.
In which can water shows quick rise in temperature?
You can see that, will raise the can of water to a higher temperature. Though, both pans of boiling water have the temperature of \(100°C\) the five litre water can give off than one litre water. Because it has , and gives to the water in the can
Which has more heat energy in each pair?
Examples:
You are holding a hot cup of coffee, would the Heat energy transfer from:
You are standing outside on a summer day. It is \(40°C\) outside.Would the Heat energy transfer from:
You are standing outside on a winter day. It is \(23°C\) outside. Would the heat energy transfer from:
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