Concept:
The Bhatkhande system uses standardized notation symbols to represent the structural checkpoints of a rhythmic cycle on paper, indicating claps (Tali), empty wave beats (Khali), and the primary focal beat (Sam).
Step 1: Evaluate Assertion (A).
Assertion (A) states that the plus symbol (\(+\)) is used to represent the empty wave beat (Khali) in the Bhatkhande notation system. In this system, the Khali section is always indicated by a zero symbol (0). The plus sign (\(+\)) or cross sign (\(\times\)) is used exclusively to indicate the Sam (the vital first beat of the cycle). Therefore, Assertion (A) is factually incorrect.
Step 2: Evaluate Reason (R).
Reason (R) states that the Bhatkhande notation system is the most widely used notation framework in North Indian (Hindustani) classical music today. Because of its intuitive punctuation layout and simple symbols, it has been universally adopted in music schools and textbooks. This makes Reason (R) factually correct.