EASY
10th CBSE
IMPORTANT
Earn 100

Justify in one sentence that hydropower is a renewable source of energy.

Important Questions on Sources of Energy

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 33
Classify two fuels — CNG and hydrogen as renewable and non-renewable.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 34
What is a turbine?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 35
What is hydroelectricity?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 36
Name the clean fuel that can be obtained from cow-dung.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 37
A hydropower plant converts one form of energy to another. What are these two forms of energy?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 38
Mention one past usage and one current usage of wind energy.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 1

State any three characteristics of a good source of energy.

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 3 - Sources of Energy>EXERCISE>Q 2
Define ignition temperature of a fuel. The ignition temperature of a fuel is 20° C while that of another is 80° C. Which fuel will be more ideal?