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Grade 11Modern Physics

After 1 a and 2 ß-emissions

(a) Mass number reduces by 4

(b) Mass number reduces by 5

(c) Mass number reduces by 6

(d) Mass number increases by 4

Profile image of Simran Bhatia
12 Years agoGrade 11
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1 Answer

Profile image of Amit Saxena
12 Years ago

(a)

Emission of 10 particle led to decrease in atomic no. by 2 while mass number by 4. On the other hand, emission of 2ß particles  increases atomic number by 2. Hence, overall emission of, 1a and 2ß particles led to decrease in mass number by 4.