Q133. A spring 4m long resonates in Four segments (nodes at both ends). The frequency of the system is 20 Hz, then speed of the wave in the spring is _______:Physics — Optics, Nature of Light and Optical Instruments — Question 133 of 155A. 40 m/secB. 40 cm/secC. 80 m/secD. 100 m/secPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →