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

wavelength = 1.22×10² m

Explanation:

Given data:

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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