If a metal is used in making cooking utensils, then the thermal conductivity should be high. High thermal conductivity ensures efficient and even heat distribution, which is essential for effective cooking.
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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If the doors of a refrigerator kept in a room are left open, the room will gradually get heated. The refrigerator’s motor generates heat while trying to cool the room, resulting in more heat being expelled than removed.
If a table fan is run in a closed room, the air in the room will be heated. This is because the fan’s motor generates heat while operating, slightly increasing the room’s temperature despite creating a cooling sensation through air ...
On cold days, the iron block feels colder than the wooden block because iron has higher thermal conductivity than wood. Thermal conductivity refers to a material’s ability to conduct heat. Iron quickly conducts heat away from the skin, giving a ...
The unit of heat is Degree Celsius. Degree Celsius is a unit of temperature, not heat. The other options (Calorie, Kilocalorie, Joule) are units used to measure heat or energy, while Degree Celsius measures temperature.