MEDIUM
10th CBSE
IMPORTANT
Earn 100

What do you understand by the term biomass? How is biomass used directly as a fuel?

Important Questions on Sources of Energy

MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 3
Give five reasons, why is the use of cow dung in biogas preferred to burning cow dung cakes?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 4
What is biogas? Which component of biogas is used as fuel? Describe the construction and working of fixed dome type biogas plant with the help of a diagram.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 5
Why is charcoal considered a better fuel than wood? Why is charcoal less in use now? Give some reasons.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 6
List any four characteristics of biogas on account of which it is considered as an ideal fuel.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 6
Discuss one limitation for extracting energy from wind.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 7
Firewood is our conventional fuel. List any four reasons for replacing it with an alternative source of energy.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 8
How is charcoal obtained from wood? Why is charcoal considered better fuel than wood?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 9
Describe how hydro energy can be converted into electrical energy. Write any two limitations of hydro energy.