1.

(A) ._(56)^(133)Be+e^(-) rarr ._(55)^(133)Cs + "X-ray" It is a process of K-electron capture. (R) The atomic number decreases by one unit as a result of K-capture.

Answer» <html><body><p>Both (R) and (A) are <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> and <a href="https://interviewquestions.tuteehub.com/tag/reason-620214" style="font-weight:bold;" target="_blank" title="Click to know more about REASON">REASON</a> is the correct <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a> of assertion.<br/>Both (R) and (A) are true but reason is not correct explanation of assertion<br/>Assertion (A) is true but reason (R) is false<br/>Assertion (A) and reason (R) both are false</p>Answer :B</body></html>


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