Biology, 29.06.2021 01:00 LJOrozco

Which of these best describes a laser? 7 of 12 QUESTIONS
O A beam of light containing electromagnetic waves of only one wavelength
A beam of sound waves that can be used to heat or cook food
O A device that uses radio waves to detect the location and speed of objects
O A device used to convert light energy to electrical energy
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Which of these best describes a laser? 7 of 12 QUESTIONS
O A beam of light containing electro...

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