1.

._(92)^(238)U emits 8 alpha-particles and 6-beta-particles. The neutron/proton ratio in the product nucleus is

Answer»

60/41
61/40
62/41
61/42

Solution :`._(92)U^(238) underset(-6beta)overset(-8alpha)rarr ._(82)X^(2-6)`
Number of protons = 82, Number of neutrons = 124
Neutron/proton RATIO in the PRODUCT nucleus `= (124)/(82) = (62)/(41)`


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