Advertisements
Advertisements
प्रश्न
Why does a metal bar appear hotter than a wooden bar at the same temperature? Equivalently it also appears cooler than wooden bar if they are both colder than room temperature.
उत्तर
A metal bar appears to be hotter than a wooden bar at the same temperature because the rate of transfer of heat in metal is faster than in wood. Similarly, the metal bar appears to be colder than the wooden bar as the specific heat of the metal is very low than the wood.
APPEARS IN
संबंधित प्रश्न
Explain why heating systems based on circulation of steam are more efficient in warming a building than those based on circulation of hot water
One end of a metal rod is dipped in boiling water and the other is dipped in melting ice.
In summer, a mild wind is often found on the shore of a clam river. This is caused due to
When fluids are heated from the bottom, convection currents are produced because:
In which of the following convection will not take place primarily?