Units and Measurements

Related Questions

• The velocity of a freely falling body changes as \[{g^p}{h^q}\] where g is acceleration due to gravity and \[h\] is the height. The values of \[p\] and \[q\] are

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• Dimensions of kinetic energy are

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• Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful

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• According to Joule's law of heating, heat produced $H = {I^2}$Rt, where I is current, R is resistance and t is time. If the errors in the measurement of I, R and t are 3%, 4% and 6% respectively then error in the measurement of H is

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• The period of oscillation of a simple pendulum is given by $T = 2\pi \sqrt {\frac{l}{g}} $where l is about 100 cm and is known to have 1mm accuracy. The period is about 2s. The time of 100 oscillations is measured by a stop watch of least count 0.1 s. The percentage error in g is

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