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10th CBSE
IMPORTANT
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To make practical use of wind energy the minimum wind speed should be:

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Important Questions on Sources of Energy

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 7
For operation of ocean thermal energy conversion plants the minimum temperature difference between the water at the surface and water at the depths up to 2 km should be:
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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 8

Which of the following is not used as a rocket fuel?

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 9

In chulhas, gaps are left between the logs.

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 10

The vast amount of seaweeds present is oceans may provide an endless source of:

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 11
Which of the following energy is produced from a non-sustainable source?
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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 12
Which of the following is a non-renewable as well as non-recyclable resources?
EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 3 - Sources of Energy>Previous Years Questions>Q 13
Which of the following is not a nuclear power station?