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15 July, 13:47

Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths greater than about 3 mm. What is the frequency of radiation of wavelength 3.63 mm? Answer in units of s-1.

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  1. 15 July, 14:16
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    826.446 * 10∧8 Hz or s-1

    Explanation:

    Formula:

    c = f*λ

    c = speed of light

    f = frequency

    λ = wavelength

    Given dа ta:

    wavelength = 3.63 mm

    speed of light = 3 * 10∧8 m/s

    frequency = ?

    Solution:

    First of all we sill convert the 3.63 mm into meter,

    3.63/1000 = 0.00363 m

    Now we will put the values in formula:

    c = f*λ

    f = c/λ

    f = 3 * 10∧8 m/s / 0.00363 m

    f = 826.446 * 10∧8 Hz or s-1
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