Q79. If f1 and f2 are frequencies of two tuning forks, such that f1 < f2, then number of beats produced in one second are:Physics — Oscillations and Simple Harmonic Motion — Question 79 of 102A. f2 - f1 B. f2 x f1 C. f1 - f2 D. f2 + f1 Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →