1. Dimensional analysis is a method to check the correctness of equations, convert units, or derive relations among physical quantities. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Dimensional analysis is a method to check the correctness of equations, convert units, or derive relations among physical quantities.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

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  2. Accuracy refers to how close a measurement is to the true value. Precision refers to the consistency in repeated measurements. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Accuracy refers to how close a measurement is to the true value.
    Precision refers to the consistency in repeated measurements.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

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  3. The seven base quantities are length, mass, time, electric current, temperature, amount of substance, and luminous intensity. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    The seven base quantities are length, mass, time, electric current, temperature, amount of substance, and luminous intensity.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

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  4. Parallax error arises when the line of sight is not perpendicular to the scale while taking readings. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Parallax error arises when the line of sight is not perpendicular to the scale while taking readings.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

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  5. To check correctness, ensure that the dimensions on both sides of the equation are the same. If they match, the equation is dimensionally correct. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    To check correctness, ensure that the dimensions on both sides of the equation are the same. If they match, the equation is dimensionally correct.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

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