& 3 Mark Questions)
🔹2 MARK QUESTIONS WITH ANSWERS
1. Define pressure and give formula.
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Answer:
🔹
Pressure is thrust per unit area.
Formula: P = F/A
2. State Pascal’s law.
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Answer:
Pressure applied to a liquid is transmitted equally in all directions
without loss.
3. What is atmospheric pressure?
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Answer:
It is the pressure exerted by the weight of air on the earth’s surface.
4. Write any two factors affecting liquid pressure.
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Answer:
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Depth
Density
5. Why do camels have broad feet?
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Answer:
To reduce pressure by increasing area and avoid sinking in sand.
🔹3 MARK QUESTIONS WITH ANSWERS
1. Explain pressure in liquids.
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Answer:
🔹
Liquids exert pressure due to their weight.
Pressure increases with depth.