(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.

(A) ._(56)^(133)Be+e^(-) rarr ._(55)^(133)Cs + "X-ray" It is a proces

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» Both (R) and (A) are TRUE and REASON is the correct EXPLANATION of assertion. Both (R) and (A) are true but reason is not correct explanation of assertion Assertion (A) is true but reason (R) is false Assertion (A) and reason (R) both are false Answer :B