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IMSO 2022 Science International — Theory I Question 18

IMSO Science · IMSO 2022 Science International — Theory I

Question 18

Indonesian street vendors advertise with bells or gongs. The mie ayam bell sounds low; the cilok bell is shriller than both ice cream and mie ayam bells. If the sellers strike their bells at the same distance from the listener, what explains this?

Question illustration
  1. Cilok sound travels through air faster than mie ayam sound
  2. Cilok’s period is greater than mie ayam’s
  3. Cilok’s frequency is higher than mie ayam’s
  4. Mie ayam’s amplitude is greater than cilok’s