SI units, dimensional analysis, errors and significant figures.
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Q1 · Physics and Measurement (Class 11) · MEDIUM
A physical quantity X is given by X = 2ab²/c³. If the percentage errors in a, b, and c are 1%, 2%, and 3% respectively, what is the percentage error in X?
Q2 · Physics and Measurement (Class 11) · EASY
The dimensional formula for force is:
Q3 · Physics and Measurement (Class 11) · HARD
The time period of a simple pendulum is T = 2π√(L/g). If the error in measurement of L is 2% and that of g is 3%, what is the maximum percentage error in T?