Units and Measurement (1st PUC)
SI units, dimensional analysis, errors, significant figures.
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Take a full mock →Q1 · Units and Measurement (1st PUC) · EASY
The SI unit of luminous intensity is
Q2 · Units and Measurement (1st PUC) · EASY
The dimensional formula for force is
Q3 · Units and Measurement (1st PUC) · MEDIUM
A physical quantity X is related to four measurable quantities a, b, c, and d as X = a²b³/cd. The percentage error in X is
Q4 · Units and Measurement (1st PUC) · HARD
If the unit of length is doubled and the unit of time is halved, the unit of energy will become
Q5 · Units and Measurement (1st PUC) · MEDIUM
The percentage error in the measurement of mass and speed are 2% and 3% respectively. The maximum percentage error in the calculation of kinetic energy is: