Q81. The frequency of a simple pendulum of length 9.8 m will be Physics — Oscillations and Simple Harmonic Motion — Question 81 of 102A. 2 π Hertz B. π/2 Hertz C. 1/2π Hertz D. π/4 Hertz Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →