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11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - II Question Bank Software Jun-23 , 2021

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11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - II

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - II

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. Determine the number of light years in one metre.

  2. 5.74 g of a substance occupies 1.2 cm3. Express its density to correct significant figures.

  3. If displacement of a body s = (200 ± 5) m and time taken by it t = (20 + 0.2) s, then find the percentage error in the calculation of velocity.

  4. If the error in measurement of mass of a body be 3% and in the measurement of velocity be 2%. What will be maximum possible error in calculation of kinetic energy.

  5. A physical quantity P is related to four observables a, b, c and d as follows:
    P = \(\frac { { a }^{ 3 }b^{ 2 } }{ d\sqrt { c } } \)
    The percentage errors of measurement in a, b, c and d are 1%, 3%, 4% and 2% respectively. What is the percentage error in the quantity P?

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