Course Content
MEASUREMENT
(i) International System of Units, the required SI units with correct symbols are given at the end of this syllabus. Other commonly used system of units - fps and cgs. (ii) Measurements using common instruments, Vernier callipers and micro-metre screw gauge for length, and simple pendulum for time. Measurement of length using, Vernier callipers and micro-metre screw gauge. Decreasing least-count leads to an increase in accuracy; least-count (LC) of Vernier callipers and screw gauge), zero error (basic idea), (no numerical problems on callipers and screw gauge), simple pendulum; time period, frequency, graph of length l versus T2 only; slope of the graph. Formula T=2.π.gl [no derivation]. Only simple numerical problems.
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EXPERIMENTATION
STD IX – MEASUREMENT AND EXPERIMENTATION – (Online)
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