Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 13 of Short Answer Type Questions-Pg-122

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13

Why are fossil fuels classified as non-renewable sources of energy?

Fossil fuels are non-renewable because they take millions of years to form. Fossil fuels make up most sources of non-renewable energy, and they were created millions of years ago as a result of marine creatures decaying under immense pressure and heat.


13

Chapter Exercises

Very Short Answer Type Questions-Pg-121
Very Short Answer Type Questions-Pg-130
Very Short Answer Type Questions-Pg-140
Very Short Answer Type Questions-Pg-148
Very Short Answer Type Questions-Pg-156
Very Short Answer Type Questions-Pg-161
Short Answer Type Questions-Pg-122
Short Answer Type Questions-Pg-131
Short Answer Type Questions-Pg-140
Short Answer Type Questions-Pg-148
Short Answer Type Questions-Pg-157
Short Answer Type Questions-Pg-161
Questions Based on High Order Thinking Skills (HOTS)-Pg-123
Questions Based on High Order Thinking Skills (HOTS)-Pg-132
Questions Based on High Order Thinking Skills (HOTS)-Pg-142
Questions Based on High Order Thinking Skills (HOTS)-Pg-150
Questions Based on High Order Thinking Skills (HOTS)-Pg-159
Long Answer Type Questions-Pg-122
Long Answer Type Questions-Pg-131
Long Answer Type Questions-Pg-141
Long Answer Type Questions-Pg-149
Long Answer Type Questions-Pg-157
Multiple Choice Questions (MCQs)-Pg-122
Multiple Choice Questions (MCQs)-Pg-131
Multiple Choice Questions (MCQs)-Pg-141
Multiple Choice Questions (MCQs)-Pg-149
Multiple Choice Questions (MCQs)-Pg-158
Multiple Choice Questions (MCQs)-Pg-161

More Exercise Questions

8

What is a source of energy? What are the two main categories of the sources of energy?
9

State any four characteristic of good sources of energy.
10

What is meant by a non-renewable source of energy? Give two examples of non-renewable sources energy.
11

What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
12

What is the difference between a renewable and non-renewable source of energy? Explain with examples.
13

Why are fossil fuels classified as non-renewable sources of energy?
14

Name two sources of energy that you think are renewable. Give reason for your choice.
15

Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
16

Classify the following into renewable and non-renewable sources of energy:

Coal, Wind, Tides, Petroleum, Wood, Natural gas
16

Non- Renewable source of energy - coal, petroleum, natural gas.
17

Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable sources of energy whereas wood is a renewable sources of energy?