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We know, An alpha particle is helium (2 He4) nucleus, contains two proton and two neutrons. Mass of 2 protons=2×1.007276=2.014552u Mass of 2 neutrons=2×1.008665=2.01733u Total mass= 2.014552 u + 2.01733 u =4.031882 u This is the total mass of rhe nucleus of alpha particle The mass of alpha particleRead more
When a person is suffering from fever, a wet handkerchief is kept on his forehead to lower his body temperature. As the wet handkerchief contains water, it can absorb a large amount of heat due to its high specific heat capacity. As a result, the temperature (i. e. high fever) of the patient decreasRead more