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Ksju [112]
3 years ago
6

A teacher stands well back from an outside doorway 0.88 m wide, and blows a whistle of frequency 780 Hz. Ignoring reflections, e

stimate at what angle(s) it is not possible to hear the whistle clearly on the playground outside the doorway.
Physics
1 answer:
AlladinOne [14]3 years ago
5 0

the wavelength is to be 56.67 cm and I know that i should be applying the double slit equation for destructive interference.

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