2. W PION BP-particle (Cya-paruch The ratio between the neutrons present in nitrogen atom and silicon atoms with mass number 24 & 28 is (A) 7:3 (B) 3:7 (C)1:2 (D) 1:1 (C) 1:

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Nitogen ( rightarrow ) Number of reutrons ( =414-7=7 ) ( sin (0 n rightarrow sin n) 11=28-14=14 ) ratio ( =frac{7}{14}=1: 2 ) (c) Ans.

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