Advertisements
Advertisements
प्रश्न
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
विकल्प
True
False
Advertisements
उत्तर
False.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
Fill in the blank
Heat transfer in liquids and gases is by ________.
Select the correct alternative
Heat in a liquid is transferred by
Select the correct alternative
In the process of convection, heat travel
State the direction of heat transfer by way of convection.
______ of heat does not require a medium.
Why is the outer coat of the penguins of Antarctica black?
The handles of cooking utensils are made of ______.
Heat is the transfer of energy between two objects at different temperatures.
Take a sheet of paper. Draw a spiral on it as shown in Figure. Cut out the paper along the line. Suspend the paper as shown in Figure above a lighted candle. Observe what happens. Think of an explanation.

