Units and Measurement questions
875 published questions with worked solutions.
- Which of the following physical quantities has neither dimensions nor unit?
- Farad is not equivalent to
- Which of the following cannot be regarded as an essential characteristic of a unit of measurement?
- Consider a new system of units in which c (speed of light in vacuum), h (Planck's constant) and G (gravitational constant) are...
- Which one of the following pairs of quantities and their unit is a proper match?
- If L denotes the inductance of an inductor through which a current I is flowing, then the dimensional formula of LI^2 is
- Solar constant is defined as energy received by earth per cm^2 per minute. The dimensions of solar constant are
- The dimensional formula of magnetic permeability is
- A sextant is used to measure
- The work done by a battery is W= q, where q is the charge transferred by the battery, = emf of the battery. What are the...
- Energy per unit volume represents
- A gas bubble from an explosion under water oscillates with a time period T, depends upon static pressure p, density of water and...
- Force constant has the same dimensions as
- The expression [ML^ -1 T^ -1 ] represents
- In the equation [M^0L^0T^0]=[ML^ -1 T^ -2 ]^a[MT^ -3 ]^b[LT^ -1 ]^c, comparing powers of M, L and T on both sides, the values of...
- Velocity v=k ^a ^bg^c where k is dimensionless. The values of a,b,c are respectively
- According to the question, F m^av^br^c, where F is the centripetal force, m is mass, v is speed and r is the radius of circular...
- The physical quantity which has the dimensional formula [M^1T^ -3 ] is
- A pressure of 10^6 dyne cm^ -2 is equivalent to
- There are atomic clocks capable of measuring time with an accuracy of 1 part in 10^ 11 . If two such clocks are operated with...
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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