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12 October, 20:54

Your microwave oven emits radiation at 2.45 MHz (which can interfere with your WiFi). What is its wavelength?

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  1. 12 October, 23:59
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    wavelength = 1.22*10² m

    Explanation:

    Given dа ta:

    Frequency of radiation = 2.45 MHz

    Wavelength of radiations = ?

    Solution:

    Formula:

    Speed of light = wavelength * frequency

    Speed of light = 3 * 10⁸ m/s

    Frequency of radiation = 2.45 MHz (1 MHz = 1000000 Hz)

    = 2450000 Hz (1 s⁻¹ = 1 Hz)

    Now we will put the values in formula.

    3 * 10⁸ m/s = wavelength * 2450000 s⁻¹

    wavelength = 3 * 10⁸ m/s / 2450000 s⁻¹

    wavelength = 3 * 10⁸ m/s / 2.45*10⁶s⁻¹

    wavelength = 1.22*10² m
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