frequency 04 A point source of 1 256 Hz and a receiver R are

Last updated: 6/9/2023

frequency 04 A point source of 1 256 Hz and a receiver R are moving along same line with speed u 20 ms towards a reflecting surface which is approaching them with speed u as shown in figure If speed of sound in air is 330 ms then wavelength and frequency of reflected wave received by R are respectively 330 289 61 m and 289 Hz 2140 b 340 289 14 m and 289 Hz