Advertisements
Advertisements
Question
A circular metal loop is heated at point O as shown in the following figure.
- In which direction would heat flow in the loop?
- In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Short Answer
Advertisements
Solution
- The heat will flow in both directions, i.e., from O to P and O to R.
- At first the pins at R and P will fall simultaneously followed by the pin at Q.
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Match the following
| Column A | Column B |
| 1. mercury | 1. insulator |
| 2. wood | 2. water from 0°C to 4°C |
| 3. Aluminum | 3.absorbs |
| 4. contracts | 4.conductor |
| 5.black surface | 5. Thermometer |
Define the term heat.
Define one kilo-calorie of heat.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Steel spoon
Complete the following sentence:
CGS units of heat is _________
Write scientific reason.
In the cold regions, snow falls in winter.
Observe the picture given in figure. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
Warm air is ______.
Explain the following effects of heat.
Chemical changes
