1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : In $$\alpha$$-decay atomic number of daughter nucleus reduces by 2 units from the parent nucleus.

Reason : An $$\alpha$$-particle carries four units of mass.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
AIIMS Subjects
EXAM MAP