SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a nuclear reaction, 5.265 x 10-10 J of energy is released. What is the mass defect of this reaction in kg?
A
5.85 x 10-27
B
4.74 x 107
C
1.76 x 10-18
D
1.58 x 10-2
Explanation: 

Detailed explanation-1: -During nuclear changes, either some mass is converted into energy or some energy is converted into mass. Which occurs is dependent upon the specifics of the individual reaction. From this change in mass we can calculate its energy equivalent using Einstein’s equation, E = mc2.

Detailed explanation-2: -B Calculate the mass defect by subtracting the experimental mass from the calculated mass. C Determine the nuclear binding energy by multiplying the mass defect by the change in energy in electronvolts per atom. Divide this value by the number of nucleons to obtain the binding energy per nucleon.

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