1. A device emits light at 219.4 nm. What is the frequency of this radiation? (1.37 x 10' Hz) 2. If a cordless phone ope

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1 A Device Emits Light At 219 4 Nm What Is The Frequency Of This Radiation 1 37 X 10 Hz 2 If A Cordless Phone Ope 1 (23.41 KiB) Viewed 31 times

1. A device emits light at 219.4 nm. What is the frequency of this radiation? (1.37 x 10' Hz) 2. If a cordless phone operates at a frequency of 9.00 x 108s !, what is the wavelength of this radiation? (0.333 m) 3. What is the energy of a photon of electromagnetic radiation with a wavelength of 165.2 nm? (1.2 x 10-18 J)