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11 Dec 2019
(a) What is the wavelength of a 1.10 kHz electromagnetic wave? (b) What is the wavelength of a 1.10 kHz sounds wave? (The speed of sound in air is 341 m/s.) (c) Can we hear a 1.10 kHz electromagnetic wave?
(a) What is the wavelength of a 1.10 kHz electromagnetic wave? (b) What is the wavelength of a 1.10 kHz sounds wave? (The speed of sound in air is 341 m/s.) (c) Can we hear a 1.10 kHz electromagnetic wave?
Amal JeevaLv10
29 Sep 2020
