The period of a simple pendulum of length 80.0cm was found to have doubled when the length of the pendulum was increased by X. Calculate X. by Sunday | May 18 | Physics WAEC | 0 comments A. 26.7cm B. 40.0cm C. 160.0cm D. 240.0cm Correct Answer: Option D D. 240.0cm Users Also Read These:A transparent rectangular block 5.0cm thick is…The bob of a simple pendulum takes 0.25s to swing…The length of a simple pendulum is increased by a…A simple pendulum makes 50 oscillations in one…The focal length of a concave mirror is 2.0cm. If an…