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Q.19 The mass and linear dimensions of a rectangular block were measured and the result obtained, and their associated uncertainties, are given in t…

Q.13 The true value of a quantity x is x 0 . In an experiment, the quantity is measured many times and the number N of readings giving a value x is …

Q.7 In an experiment, the time  t  for a ball to fall from rest through a vertical distance  h  was measured. The given graph was plotted by a stude…

Q.1 The diameter  d  of a uniform wire was measured using a micrometer, reading to ±0.01 mm, and the following results were obtained: 1.02 mm      …