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Which of the following is a "conventional" (traditional) source of energy per NCERT?
A{'text': 'Coal', 'label': 'A'}
B{'text': 'Wind energy', 'label': 'B'}
C{'text': 'Solar energy', 'label': 'C'}
D{'text': 'Tidal energy', 'label': 'D'}
Answer & Solution
Correct answer: A. {'text': 'Coal', 'label': 'A'}
1. NCERT classifies energy sources into conventional and non-conventional.
2. Conventional: firewood, cattle dung, coal, petroleum, natural gas and electricity (hydro/thermal).
3. Non-conventional: solar, wind, tidal, geothermal, biogas, atomic (nuclear).
4. So coal is a conventional energy source.
_Source: NCERT Class 10 Social Science (Geography), Ch 5 "Minerals and Energy Resources", §5.3_
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