MEDIUM
10th CBSE
IMPORTANT
Earn 100

With the help of a labelled diagram, describe the working of a solar water heater.

Important Questions on Sources of Energy

EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 2
Which one is a renewable source of energy?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 1
What is the main difference between the renewable and non-renewable sources of energy?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 2
Name the process of large energy production from the sun.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 1
What do you understand by the term "net energy" of fuel? Support your answer by an example.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 2
Classify the following as renewable and non-renewable sources of energy ; (i) wind, (ii) diesel oil, (iii) flowering water, (iv) geothermal energy, (v) nuclear energy, (vi) coal.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5A>Q 3
Explain, why is it not wise to include wood as a renewable sources of energy.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 19
What is meant by the term chain reaction? Explain with the help of a diagram how a chain reaction in a bunch of U-235 nuclei takes place during nuclear fission.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 1

What are environmental consequences of increasing demand for energy? What steps would you suggest to reduce energy consumption?