Units and Measurement questions
875 published questions with worked solutions.
- A physical quantity z depends on four observables a, b, c and d, as z= a^2b^ 2/3 c d^3 . The percentage of error in the...
- A screw gauge has 50 divisions on its circular scale. The circular scale is 4 units ahead of the pitch scale marking, prior to...
- The density of a solid metal sphere is determined by measuring its mass and its diameter. The maximum error in the density of the...
- In a vernier calipers, (N+1) divisions of vernier scale coincide with N divisions of main scale. If 1 MSD represents 0.1 mm, the...
- The quantities which have the same dimensions as those of solid angle are :
- A force defined by F= t^2+ t acts on a particle at a given time t. The factor which is dimensionless, if and are constants, is:
- A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is :
- Taking into account of the significant figures, what is the value of 9.99 m - 0.0099 m ?
- The dimensions [MLT^ -2 A^ -2 ] belong to the :
- Plane angle and solid angle have :
- Match List - I with List - II List-I: (a) Gravitational constant (G) (b) Gravitational potential energy (c) Gravitational...
- The area of a rectangular field (in m^2) of length 55.3 m and breadth 25 m after rounding off the value for correct significant...
- Dimensions of universal gravitational constant (G) in terms of Planck's constant (h), distance (L), mass (M) and time (T) are...
- In a screw gauge the zero of main scale reference line coincides with the fifth division of the circular scale when two studs are...
- The dimensional formula of 12 _0E^2 (ε₀ = permittivity of vacuum and E = electric field) is MᵃLᵇTᶜ. The value of 2a − b + c =...
- Match List-I with List-II. List-I: A. Meter (L), B. Second (S), C. Kilogram (M), D. Kelvin (K). List-II: I. √(hc/G), II....
- In a Vernier calipers, when both jaws touch each other, zero of the Vernier scale is shifted to the right of zero of the main...
- L, C and R represents physical quantities inductance, capacitance and resistance respectively. The dimensional formula ML²T⁻⁴A⁻²...
- The percentage error in the calculated volume of a sphere, if there is 2% error in its diameter measurement, is _______.
- Match List - I with List - II. List - I: A. Boltzmann constant, B. Stefan's constant, C. Planck's constant, D. Gravitational...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration