Units and Measurement questions
875 published questions with worked solutions.
- Match List-I with List-II List-I: (A) Angular Impulse (B) Latent Heat (C) Electrical resistivity (D) Electromotive force List-II:...
- The pair of physical quantities not having same dimensions is :
- The expression given below shows the variation of velocity (ν) with time (t), = At^2 + Bt C+t . The dimension of ABC is :
- Match List-I with List-II. List-I: (A) Young's Modulus (B) Torque (C) Coefficient of Viscosity (D) Gravitational Constant...
- A physical quantity Q is related to four observables a, b, c, d as follows : Q = ab^4 cd where, a = (60 ± 3)Pa; b = (20 ± 0.1)m;...
- The equation for real gas is given by (P+ a V^2 )(V-b) = RT, where P, V, T and R the pressure, volume, temperature and gas...
- Match List-I with List-II. List-I: (A) Coefficient of viscosity (B) Intensity of wave (C) Pressure gradient (D) Compressibility...
- A physical quantity C is related to four other quantities p, q, r and s as follows C = pq^2 r^3 s . The percentage errors in the...
- A person measures mass of 3 different particles as 435.42 g, 226.3 g and 0.125 g. According to the rules for arithmetic...
- A quantity Q is formulated as X^ -2 Y^ 3 2 Z^ - 2 5 . X, Y and Z are independent parameters which have fractional errors of 0.1,...
- In an electromagnetic system, a quantity defined as the ratio of electric dipole moment and magnetic dipole moment has dimension...
- For the determination of refractive index of glass slab, a travelling microscope is used whose main scale contains 300 equal...
- The dimension of _0 _0 is equal to that of : ( _0 = Vacuum permeability and _0 = Vacuum permittivity)
- The current voltage relation of diode is given by I = (e^ 1000V/T - 1) mA, where the applied voltage V is in volts and the...
- A student measured the length of a rod and wrote it as 3.50 cm. Which instrument did he use to measure it?
- A screw gauge with a pitch of 0.5 mm and a circular scale with 50 divisions is used to measure the thickness of a thin sheet of...
- The following observations were taken for determining surface tension T of water by capillary method : diameter of capillary, D =...
- The density of a material in the shape of a cube is determined by measuring three sides of the cube and its mass. If the relative...
- The percentage errors in quantities P, Q, R and S are 0.5 %, 1 %, 3 % and 1.5 % respectively in the measurement of a physical...
- In SI units, the dimensions of _0 _0 is:
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