Vision. When light having vibrations with angular Part A frequency ranging from 2.7 x 1015 rad/s to 4.7 x 1015 rad/s strikes the retina of the eye, it stimulates the receptor cells there and is perceived as music.Wh a so 3' s,hsoh ocalcods .. . . . . . . en pet n m9 ' r a\" r walble light. What arethe limits ofthe period of this light? vibrate in a repetitive pattern having the same frequency of the note that is sung. If someone sings the note B flat Ex fess our answers is seconds 82 araled b a that has a frequency of 466 Hz , how much time does it p V p y take the person's vocal cords to vibrate through one comma. complete cycle, and what is the angular frequency of the cords? I] Express the time in seconds and the angular '5 (I. 0 frequency in radians per second separated by a comma. Aid) ? u . +5 0 O nm 1 Tmaac S A\" ? . \"(1) Part D t ' w ' s , rad/s When light having vibrations with angular frequency ranging from 2.7 X 1015 Iadfs to 4.7 X 1015 raid/s strikes the retina of the eye, it stimulates the receptor cells there and is perceived as visible light. What are the limits of the frequency of this light? Hearing. When sound waves strike the eardrum, this Emma\" your answers in he\": \"Farmed by 5 \"mm" membrane vibrates with the same frequency as the sound. The highest pitch that typical humans can hear has a period of 50.0 as . What are the frequency and angular 0 0 frequency of the vibrating eardrum for this sound? 9 Express the frequency in hertz and the angular frequency In radians per second separated by a fmrn , fm H' comma. = 6 El Part E I V11\" 0 0 Ultrasound. High-frequency sound waves (ultrasound) A24) ? are used to probe the interior of the body. much as x rays do. To detect a small objects such as tumors. a frequency of around 5 50 MHz is used. What are the period and f 1 w H ad angular frequency of the molecular vibrations caused by = z: r r this pulse of sound? Express the period in seconds and the angular frequency in radians per second separated by a comma. hoo- AErb ? E" w s. rad/r