Four identical kettles with the same amount of water have bases made of different metals of the same thickness. If these are placed on identical flames, water will boil first in the kettle with a base made of:
Q1. Four identical kettles with the same amount of water have bases made of different metals of the same thickness. If these are placed on identical flames, water will boil first in the kettle with a base made of:
Answer: Copper
Explanation: Copper has the highest thermal conductivity (about 401 W/m·K) among the options, so it transfers heat from the flame to the water most rapidly, bringing it to boil first.