For the following reaction, the particle ' X ' is ₆C¹¹ ₅B¹¹ + β + X (a) proton (b) neutrino (c) anti neutrino (d) neutron

Answer: (b). Z drops from 6 to 5 with A unchanged, so a proton has turned into a neutron: β⁺ decay. p → n + e⁺ + ν: a positron is always emitted with a neutrino. So the answer is (b) neutrino.

For the following reaction, the particle ' X ' is ₆C¹¹ ₅B¹¹ + β + X | MHT CET 2025 (20 Apr, Shift 1)

Q6MHT CET 2025 · 20 APR · SHIFT 1Easy

Nuclear Reactions & Q-value

For the following reaction, the particle ' X ' is

${}_{6}\text{C}^{11} \longrightarrow {}_{5}\text{B}^{11} + \beta + \text{X}$

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Answer: (b)

$Z$ drops from 6 to 5 with $A$ unchanged, so a proton has turned into a neutron: $\beta^+$ decay.
$p \to n + e^+ + \nu$ : a positron is always emitted with a neutrino.
So the answer is (b) neutrino.

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