Question: Q. 3. A Proton and an
U [OD North 2016]
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Solution:
Ans. (i) Try yourself Similar to Q. 1 SATQ-I
(ii)
K.E.
(K.E. $){\text {proton }}<(\text { K.E. }){\alpha \text {-particle }}$
(Also accept if the student writes $\frac{(\text { K.E. }){\alpha}}{(\text { K.E. }){p}}=2$ )
[CBSE Marking Scheme 2016]