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IGCSE (General Physics) All Answers Correct

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IGCSE (General Physics) All Answers Correct 1. Avoiding parallax error - To avoid parallax error, view the ruler perpendicularly. 2. Meniscus used in measuring volume - When measuring volume, use the bottom meniscus, except for Mercury, where the upper meniscus is used. 3. Measuring short i...

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  • July 9, 2024
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  • 2023/2024
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IGCSE (General Physics) All Answers Correct
1. Avoiding parallax error



- To avoid parallax error, view the ruler perpendicularly.




2. Meniscus used in measuring volume



- When measuring volume, use the bottom meniscus, except for Mercury, where the upper meniscus


is used.




3. Measuring short intervals of time



- Measure time by timing a specific number of cycles and then dividing the total time by the number of


cycles.




4. Mass



- Mass is the amount of matter in an object or the property of an object that resists changes in motion.

,5. Density



- Density is the ratio of mass to volume for a substance.




6. Formula for density



- Density is calculated as mass divided by volume: Density = mass / volume.




7. Density of water



- The density of water is 1000 kg/m³ or 1 g/cm³.




8. Least dense state of matter



- Gas is the least dense state of matter.




9. Why do icebergs float in water?

, - Icebergs float in water because ice is less dense than water.




10. Which is denser, gold or silver?



- Gold is denser than silver.




11. Finding the volume of an irregularly shaped object



- Use the displacement method to find the volume of an irregularly shaped object.




12. Formula for speed



- Speed is calculated using the formula: Speed = distance / time.




This reorganization presents each topic clearly while avoiding redundancy and maintaining clarity in


each answer.



Formula for average speed ✔️Average speed = total distance / total time taken

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