NCERT · Class 10 · Science · Sources of EnergyWhat is a good source of energy? State two main characteristics.
Step-by-Step Solution
A good source of energy is one which would do a large amount of work per unit volume or mass, be easily accessible, easy to store and transport, and economical. Two main characteristics are: firstly, it should produce a large amount of useful energy per unit mass or volume, and secondly, it should be easily available and convenient to use without causing excessive environmental damage or high costs.
💡 Study Guide: This question tests core syllabus concepts from Sources of Energy. For formulas, key summaries, and mock exam reference guides, read the full Sources of Energy Revision Notes.