Same chapter3 marksDifficulty: Medium
What is thermal expansion? Give one everyday example of it being allowed for.
Heat and Energy
3 marksDifficulty: Medium
Distinguish between heat and temperature.
Original Khojo Papers practice question — not from a past board paper.
Answer
Heat is a form of energy that flows from a hotter body to a colder one, and it is measured in joules. Temperature is the degree of hotness of a body, measures the average kinetic energy of its particles, and is measured in kelvin or degrees Celsius; it decides the direction in which heat flows.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A bucket of warm water has more heat than a cup of boiling water, though its temperature is lower.
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