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it is the degree or extent by which magnetic lines of force can enter a substance and is expressed by
introduction a country gets specialisation in a specific commodity due to diversification of economic resources this stimulates a country to go
objectiveafter studying this unit you should be able to1 explain the importance of international trade2 discuss why a fm is motivated to
the molecular theory of magnetism was given by weber and modified later by ewing according to that theory -each molecule of a substance is a complete
the delay in regaining the original state by a body after the removal of the deforming force is known as elastic after effectin electrometers and
it is the need of elastic strength of a substance when subjected to repeated stresses and strain if the substance is reserved undisturbed for some
i effect of temperature a in general elasticity reduces as the temperature increasesb invar is an exception there is no effect of temperature on
using formulas absolute addresses and x-y plotsupplies are dropped from an airplane to land at a certain point the velocity of the package at
there are five types of modulus of elasticityi youngs modulus of elasticity yii bulk modulus of elasticity kiii compressibilityiv modulus of
the stress at which the specimen breaks or reptures ultimately is known as ultimate strength we also called this tensile strength
the substances which can be stretched to big values of strain are known as elastomers eg elastic tissue of aorta the main artery carrying blood from
hookes law is valid for only little deformation hookes principle describes that the extension produced in the wire is directly proportional to the
elastic limit is the upper limit of deforming force up to which if deforming force is swap the object regains its real form totally and after that
when deforming forces are applied to a body there is a change in the size of the body the object is known as strained or deformed the ratio of change
stress is measured by the deforming force per unit normal areastresses set up in an object due to of the action of forces can be divided into three
an object which does not get its actual configuration at all on the removal of deforming force though short the deforming force can be is a perfectly
a body which gets its real configuration immediately and completely after the removal of deforming force from it is called as perfectly elastic body
why do we need degenerate semiconductor to fabricate a laser
the characteristic of a body by virtue of which the body takes its real configuration when external deforming forces are removed is called as
if a force applied on a body causes a alteration in the normal positions of the molecules of the body resulting in a alteration in the configuration
deformation in a real body due to application of forcethe idea of a hard body where the constituent molecules are fixed with respect to each other is
the free surface of a liquid always has a tendency to contract and possess minimum surface area if we want to enhance the surface area of the liquid
i on the average particles are separated by a distance of the order of 10-10 m and exert a force of attraction of the order of 10-11 n on each
i lead balls are spherical in shapeii rain leaves and a globule of mercury placed on glass plate are sphericaliii hair of shaving painting brush
there are six properties of surface tension- normal 0 false false false en-in x-none x-none microsoftinternetexplorer4