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Vernier Calliper Viva Questions Physics Exam Grade XI

Physics Grade XI viva Question Vernier calliper 1: What is vernier calipers? Ans. It is simple instrument by which length of an object can be measured accurately up to one-tenth of a millimeter or one-hundredth of a centimeter. 2: What is the use of Vernier Scale? Ans. To increase the accuracy of the main scale. … Read moreVernier Calliper Viva Questions Physics Exam Grade XI

Change of state |latent heat| physics XI important question |

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Latent heat Latent heat of a substance is the amount of heat required to change the state of unit mass of the substance from liquid or from liquid to vapour  without any change in temperature. Latent heat of fusion latent heat of fusion is defined as the amount of heat required to change unit mass … Read moreChange of state |latent heat| physics XI important question |