Advertisements
Advertisements
Question
Explain the following:
Water is heated generally from below.
Advertisements
Solution 1
Water is heated generally from below because water itself is a bad conductor of heat and the transfer of heat through convection take place vertically upwards
Solution 2
Water is heated from below because water is heated by process of convection and in process of convection heat always flows in upward direction from downward direction.
RELATED QUESTIONS
State the three units of temperature.
Fill in the blank:
°C is the unit of ......................
Correct the following statement:
The boiling point of water is 273 K.
Who am I?
I make things hot or cold.
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
Who am I?
I get heated due to the land or water near me
What is temperature?
Give reasons why –
gaps are left between railway tracks
