(A) : For n = 3, 1 may be 0,1,2 and .m. may be 0, (`+-2, +-1` and 0)
(R) : For each value of n there are 0 to (n-1) possible values of 1 and for each value of l values of .m. are -1….0….+1

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

Answer

A

Explanation

For n there are 0,1 …. (n-1) values of l for l there -l to +l values of ml.