Same chapter3 marksDifficulty: Medium
Convert 37 °C into kelvin and 300 K into degrees Celsius.
Heat and Energy
3 marksDifficulty: Medium
Distinguish between conventional and non-conventional sources of energy, with two examples of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
Conventional sources have been in use for a long time, are mostly exhaustible and generally polluting; coal and petroleum are examples. Non-conventional sources are renewable, largely non-polluting and being developed more recently; solar and wind energy are examples.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Biogas, tidal and geothermal energy are further non-conventional sources.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
What is the greenhouse effect and why is it a matter of concern?
Heat and Energy
Same chapter3 marksDifficulty: Medium
Distinguish between heat and temperature.
Heat and Energy
Same chapter3 marksDifficulty: Medium
What is the anomalous expansion of water and state one of its consequences.
Heat and Energy
Same chapter3 marksDifficulty: Medium
Name three renewable and two non-renewable sources of energy.
Heat and Energy
Same chapter3 marksDifficulty: Medium
What is thermal expansion? Give one everyday example of it being allowed for.
Heat and Energy