Chemistry Homework Help

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Wavelength and Frequency

#### Q. Calculate the wavelength of each of the following frequencies of electromagnetic radiation. 1050 kHz (typical frequency for AM radio broadcasting) Express your answer in meters using four significant figures.

Solved • Feb 8, 2020

Wavelength and Frequency

#### Q. Calculate the wavelength of each of the following frequencies of electromagnetic radiation. 104.4 MHz (typical frequency of FM radio broadcasting) Express your answer in meters using four significant figures.

Solved • Feb 8, 2020

Wavelength and Frequency

#### Q. An FM radio station broadcasts electromagnetic radiation at a frequency of 98.6 MHz. The wavelength of this radiation is _____ m. a) 0.329 b) 2.96 x 10^10 c) 3.04 d) 2.96 x 10^16 e) 3.04 x 10^6

Solved • Feb 4, 2020

Wavelength and Frequency

#### Q. Calculate the frequency of the red light emitted by a neon sign with a wavelength of 680 nm. a) 2.27 x 10^14s^-1 b) 3.40 x 10^14s^-1 c) 4.41 x 10^14s^-1 d) 5.05 x 10^14s^-1 e) 3.80 x 10^14s^-1

Solved • Feb 4, 2020

Wavelength and Frequency

#### Q. A microwave photon has a frequency of 960.9 MHz. What is its wavelength in meters? Enter your answer in exponential format with three significant figures (e.g. 1.2E4). Do not enter units with your answer.

Solved • Jan 29, 2020

Wavelength and Frequency

#### Q. A microwave photon has a frequency of 4,743.5 MHz. What is the wavelength in meters? Enter your answer in exponential format with three significant figures (e.g. 1.23E4). Do not enter units with your answer.

Solved • Jan 29, 2020

Wavelength and Frequency

#### Q. When a strontium salt ignites, it burns with a red flame. The frequency of the light given off by this flame is greater than a) Gamma rays b) yellow light c) x-rays d) infrared light e) ultraviolet light

Solved • Jan 29, 2020