Same chapter3 marksDifficulty: Medium
What is thermal expansion? Give one everyday example of it being allowed for.
Heat and Energy
3 marksDifficulty: Medium
Name three renewable and two non-renewable sources of energy.
Original Khojo Papers practice question — not from a past board paper.
Answer
Solar, wind and hydro energy are renewable; biomass and tidal energy are also renewable. Coal and petroleum are non-renewable, as is natural gas.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A renewable source is replaced naturally at a rate comparable with the rate of use.
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