MEDIUM
10th CBSE
IMPORTANT
Earn 100

Why are fossil fuels considered nonrenewable?

Important Questions on Sources of Energy

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 2
Can the excessive use of coal have a deteriorating effect on structures like the Taj Mahal? If yes, in what way?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 3
How is charcoal produced?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 4
Why is charcoal a better fuel than wood?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 5

Name the four gases commonly present in biogas.

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 5
List two advantages of using biogas over fossil fuels.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 6

When we harness wind energy, we harness solar energy indirectly. Explain.

HARD
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 7
How is electricity produced from wind energy? What are wind farms?
HARD
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 6 - Sources of Energy>EXERCISES>Q 8
What are the advantages and limitations of wind energy?