A sound note of frequency 250 Hz and wavelength 1.3m is produced at a point near a hill. If the echo of the sound is received 1 second later at the point, how far away is the hill from the point? by Sunday | Aug 29 | Physics WAEC | 0 comments A. 131.3m B. 162.5m C. 248.7m D. 251.3m E. 325.0m. Correct Answer: Option B – 162.5m Users Also Read These:How far from a cliff should a boy stand in order to…A ball is projected horizontally from the top of a…A boy receives the echo of his clap reflected by a…A man standing 300m away from the wall sounds a…A boy receives the echo of his clap reflected by a…