Question

If you are stuck in a forest, then which source of energy would you prefer and why?

• A. Nuclear energy, as it is a clean source.
• B. Coal, as it has high efficiency.
• C. Wood, as it is easily available.
• D. Wind energy, as it is renewable source.

Answer 1

The correct option is C Wood, as it is easily available.

Characteristics of good sources of energy are:
Work done per unit mass should be high.
The source of energy should be economical.
It should be easy to transport and store.
It should be easily accessible.
It shouldn't ideally produce any sort of pollution.
It should be controllable once it starts burning.
Since wood is the most easily accessible in the forest, it is the best choice among the options.