Advertisements
Advertisements
Question
A wooden spoon is dipped in a cup of ice cream. Its other end ______.
Options
becomes cold by the process of conduction
becomes cold by the process of convection.
becomes cold by the process of radiation.
does not become cold.
Advertisements
Solution
A wooden spoon is dipped in a cup of ice cream. Its other end does not become cold.
Explanation:
A wooden spoon is an insulator.
APPEARS IN
RELATED QUESTIONS
No medium is required for transfer of heat by the process of ______.
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
In the process of convection, heat travel
State the direction of heat transfer by way of convection.
Conduction of heat takes place through a ______ substance.
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Why are the houses in Rajasthan painted white?
Explain which mode of heat transfer causes sea breezes and land breezes.
Match the items in column-I to the items in column-II
| Column-I | Column-II | ||
| 1. | Linear expansion | (a) | change in volume |
| 2. | Superficial expansion | (b) | hot body to cold body |
| 3. | Cubical expansion | (c) | 1.381 X 10-23 JK-1 |
| 4. | Cubical expansion | (d) | change in length |
| 5. | Boltzmann constant | (e) | change in area |
