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Q.1 What could be a correct expression for the speed of the ocean waves in term of its wavelength λ, the depth h of the ocean, the density ρ of sea…

Q.1 Which one of the following lists contains only SI base units? A  kelvin, metre, mole, ampere, kilogram                                         …

Q.8 The minimum time T required for a car to safely overtake a lorry is illustrated in the given diagram. It is measured from the time the front of…

Q.1 For a particle accelerating along a straight line, what is the definition of its velocity? A Velocity is displacement divided by time. B Veloci…

Q.12 Which one of the following pairs comprises one  scalar  quantity and one  vector  quantity? A  kinetic energy and momentum                     …

Q.7 Which one of the following lists has the quantities  force, kinetic energy  and  momentum  correctly identified as scalar or vector?     force k…

Q.1 Which of the following lists comprises three vector quantites? A  dispacement, velocity, energy                B   displacement, velocity, momen…

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…