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Question 3
1. How do you define energy?
2. State the principle of conservation of energy.
3. Why sun is the ultimate source of energy ?
更 [1+2+2)
a.
Question 4
1. What do you mean by volume?
What is meant by the statement iron is denser than wood?
3. Draw the following diagrams
A measuring cylinder
b. A graduated beaker
Question 5
1. What is distance?
2. What is displacement?
3. Differentiate between distance and displacement.
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