MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is biogas? How can biogas be obtained? Why is the use of biogas obtained from cow dung advised in preference to burning of cow dung cakes?

Important Questions on Sources of Energy

MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 14
Name three forms in which energy from the ocean is made available for use. What are OTEC power plants? How do they operate?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 15
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 16
Write two different ways of harnessing energy from the ocean.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 17
What steps would you suggest to minimise environmental pollution caused by burning of fossil fuels?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 18
What is biomass? What can be done to obtain bio-energy using biomass?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 19
What are the limitations in obtaining energy from wind?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 1
How has the traditional use of firewood and dried cow dung been modified by technological innovations?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5B>Q 2
What do you understand by the term biomass? How is biomass used directly as a fuel?