MEDIUM
10th CBSE
IMPORTANT
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Choose the incorrect statement regarding wind power.

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Important Questions on Sources of Energy

MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 15
Choose the incorrect statement.
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 16
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 17
Write two different ways of harnessing energy from the ocean. 
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 18
What step would you suggest minimising environmental pollution caused by the burning of fossil fuels?  
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 19
What is the role of a plane mirror and a glass sheet in a solar cooker?
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 20
Mention three advantages of a solar cell.
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 21
What is biomass? What can be done to obtain bio-energy using biomass?
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 3 - Sources of Energy>NCERT EXEMPLAR PROBLEMS>Q 22
What are the limitations in obtaining energy from wind?