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Wave Optics

Question
CBSEENPH12039345

a) Write the basic nuclear process involved in the emission of beta plus in a symbolic form, by a radioactive nucleus.

b) In the reactions given below:

i right parenthesis space straight C presubscript 6 presuperscript 11 space rightwards arrow space straight B presubscript straight y presuperscript straight z plus space straight x plus straight nu
ii right parenthesis space straight C presubscript 6 presuperscript 12 space plus straight C presubscript 6 presuperscript 12 space rightwards arrow space Ne presubscript straight a presuperscript 20 space plus space He presubscript straight b presuperscript straight c
Find the values of x, y and z and a, b and c.

Solution

a)
The basic nuclear process involved in the emission of beta plus in a symbolic form, by a radioactive nucleus,
straight p space rightwards arrow space straight n space plus space straight beta to the power of plus plus straight nu
In a beta-plus decay, a proton transforms into a neutron within the nucleus.
b)
i) straight C presubscript 6 presuperscript 11 space rightwards arrow space straight B presubscript 5 presuperscript 11 space plus space straight beta presubscript 1 presuperscript 0 space plus space straight nu
The corresponding y and z are 5 and 11 respectively.
Here, x is the positron.
ii) straight C presubscript 6 presuperscript 12 space plus straight C presubscript 6 presuperscript 12 space rightwards arrow space Ne presubscript 10 presuperscript 20 space plus space He presubscript 2 presuperscript 4
The corresponding values of a, b and c are 10, 2 and 4 respectively.

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