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Set LW2 – Frequency-Wavelength-Speed 2

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Assignment Overview

Use the light speed and a given frequency or wavelength value for a light wave to calculate the wavelength or the frequency of the wave.

 1. LW2Q1
Points: 0/1

Determine the wavelength of the infrared waves emitted by the universal remote of a television set if it emits a frequency of 437 megaHertz. (1.00 MHz = 106 Hz)

  1. Wavelength

    m

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 2. LW2Q2
Points: 0/1

A microwave tower emits light waves having a wavelength of 12.5 cm. Determine the frequency of the microwaves.

  1. Frequency

    x10^

    Hz

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 3. LW2Q3
Points: 0/1

Commercial sunscreen agents should be capable of blocking light waves that range from 290 to 320 nanometers (known as burn rays). Determine the frequency of a 312-nm burn ray. (1.00 nm = 10-9 m)

  1. Frequency

    x10^

    Hz

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 4. LW2Q4
Points: 0/1

The wavelength of x-ray radiation used by medical devices range from 0.0087 nm to 0.0310 nm. Determine the frequency (in Hertz) of a medical x-ray having a wavelength of 0.0267 nm.

  1. Frequency

    x10^

    Hertz

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 5. LW2Q5
Points: 0/1

Bluetooth signals are sent via light waves with frequencies of 2.45 GHz. What is the wavelength of such waves? (1.00 GHz = 109 Hz)

  1. Wavelength

    m

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