1. Position ‘P’ will feel warmer due to the hot air rising up.
2. P → Convection T → Radiation.
The length of wire PQ in case of A is equal to the diameter of the semicircle formed by the wire CDE, in case B. One pin is attached to each wire with the help of wax as shown in figure above. Which pin will fall first? Explain.
Question
Observe the picture given below. Water is being boiled in a pan of wide base.
1. Which position P or T will feel warmer? 2. Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
- Heat CBSE Class 7
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