KCET · Physics

Units and Measurement (1st PUC)

SI units, dimensional analysis, errors, significant figures.

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  • 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:

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