APPLICATION S OF GAUSS LAW

Electric field due to any arbitrary charge configuration can be calculated using Coulomb’s law or Gauss law. If the charge configuration possesses some kind of symmetry, then Gauss law is a very efficient way to calculate the electric field. It is illustrated in the following cases. Cases (i) Electric field due to an infinitely longContinue reading “APPLICATION S OF GAUSS LAW”

What is light year?

Light yearThe nearest star to oursolar system is ProximaCentauri. It is at a distance of2,68,770 AU. We can note herethat using AU for measuringdistances of stars would be unwieldy. Therefore,astronomers use a special unit, called ‘lightyear’, for measuring the distance in deep space.We have learnt that the speed of light in vacuumis 3 × 108Continue reading “What is light year?”

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