Home › UP Board Class 10 › physics › Sources of Energy › Which is the principal source of energy on Earth?
Which is the principal source of energy on Earth?
ASun
BWind
CTides
DGeothermal heat
Answer & Solution
Correct answer: A. Sun
1. The sun drives almost every form of energy on Earth.
2. Fossil fuels are stored solar energy from ancient plant life.
3. Winds blow because of solar heating of the air.
4. Even the water cycle that drives hydro power comes from solar energy.
5. So the sun is the principal source of energy.
_Source: NCERT Class 10 Science Ch 14 'Sources of Energy' (byjus.com extract)_
Related questions
The heat trapped beneath the surface of the Earth is called _____.Wind farms require all of the following EXCEPT:The biogas plant produces a fuel that can be:Nuclear fusion needs which condition that makes it hard to use on Earth?Which is the ultimate source of energy in the wind?Geothermal energy is harnessed by:Compared with a fossil-fuel plant of the same output, a hydroelectric plant has:Why is the use of solar energy not yet widespread despite zero fuel cost?