NCERT Solution for Class 10 Science Chapter 14
Sources of Energy
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-242
Questions No-1
What is a good source of energy?
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A good source of energy should have the following qualities:
• It should be easily available.
• It should do a large amount of work (or produce large amount of heat) per unit volume/mass.
• It should be easy to store and transport.
•It should be economical.
• It should cause less environmental pollution.
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The characteristics of good source of energy are
(a) It should have high calorific value.
(b) It should be easy to handle.
(c) It is should be easily available.
(d) It is easy to store.
(e) It should be cheaper.
(f)It should produce less amount of smoke.
A good source of energy fulfils the following criteria:
It produces a lot of heat per unit mass.
It does a huge amount of work per unit mass.
It is easily accessible.
It is easy to store and transport.
It is economical.
It produces less amount of smoke.
Good source of energy should have the following characteristics:
A good source of energy satisfies:
It does a huge amount of work per unit mass.
It is easily accessible.
It is easy to store and transport.
It is economical.
A good source of energy should be renewable and environment-friendly .