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[O] Pure Physics Smart Guides
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SECTION I: MEASUREMENT
1. Physical Quantities, Units & Measurement7 Topics -
SECTION II: NEWTONIAN MECHANICS2. Kinematics8 Topics
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3. Dynamics (Forces)7 Topics
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4. Mass, Weight & Density4 Topics
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5. Turning Effect of Forces4 Topics
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6. Energy, Work & Power4 Topics
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7. Pressure3 Topics
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SECTION III: THERMAL PHYSICS8. Temperature2 Topics
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9. Kinetic Model of Matter2 Topics
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10. Transfer of Thermal Energy5 Topics
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11. Thermal Properties of Matter3 Topics
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SECTION IV: WAVES12. General Wave Properties3 Topics
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13. Light7 Topics
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14. Electromagnetic Spectrum2 Topics
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15. Sound5 Topics
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SECTION V: ELECTRICITY & MAGNETISM16. Static Electricity5 Topics
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17. Current of Electricity3 Topics
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18. D.C. Circuits2 Topics
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19. Practical Electricity4 Topics
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20. Magnetism4 Topics
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21. Electromagnetism3 Topics
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22. Electromagnetic Induction4 Topics
Chapter 1,
Topic 3
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Precision and Accuracy of Instruments
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What is the precision of an instrument?
- It is the smallest unit an instrument can measure
Accuracy of Instruments
Meter Ruler
- Measurement: Several cm up to a metre
- Accuracy : 0.1cm
Tape measure
- Measurement: Several metres
- Accuracy : 0.1cm
Vernier Caliper
- Measurement: Typically 1cm to 10cm
- Accuracy : 0.01cm
Micrometer screw gauge
- Measurement: Typically less than 2.5 cm
- Accuracy : 0.001cm
