45. Statement - A : Pitch of a wave is determined by its frequency.
Statement - B : High frequency wave has low pitch
1) Both \( A \) and \( B \) are true
2) Both \( A \) and \( B \) are false
3) \( A \) is true but \( R \) is false
4) \( A \) is not true but \( R \) is true