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Measurements and Experimentation
Physics (Science Paper 1) · Chapter 1 · 1. Measurements and Experimentation
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- International System of Units: fundamental and derived SI units with correct symbols; fps and cgs systems
- Least count of common instruments; smaller least count gives greater accuracy
- Vernier callipers: main and vernier scales, least count, zero error (basic idea), reading a measurement
- Micrometre screw gauge: pitch, least count (pitch 1 mm, LC 0.01 mm), zero error, reading a measurement
- Simple pendulum: time period and frequency; T = 2 pi sqrt(l/g) without derivation; l versus T^2 graph and its slope