Q119. An air column in a 32 cm long tube, closed at one end, is in resonance with a tuning fork. Another air column in a 66 cm long tube, open at both ends, is in resonance with a second tuning fork. When these two tuning forks are sounded together, they produce 8 beats per second. Assuming both air columns are vibrating at their fundamental frequencies, what are the frequencies of the two tuning forks?Physics — NUST Mock By IBAGRADS 5 — Question 119 of 200A. 250 Hz and 258 HzB. 240 Hz and 248 HzC. 264 Hz and 256 HzD. 280 Hz and 272 HzPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →