Which of the following statements about electromagnetic radiation are TRUE? a. Wavelength and frequency are inversely proportional. b. Frequencies are given in units of seconds. c. All electromagnetic waves travel through space at the same speed. d. The larger the amplitude of an electromagnetic wave, the lower its frequency. e. The longer the wavelength of an electromagnetic wave, the lower its frequency. f. The red glow of a neon sign is due to the excitation of protons in the nuclei of neon atoms.

Question

Physics

Monster

13 January, 08:51

Which of the following statements about electromagnetic radiation are TRUE? a. Wavelength and frequency are inversely proportional. b. Frequencies are given in units of seconds. c. All electromagnetic waves travel through space at the same speed. d. The larger the amplitude of an electromagnetic wave, the lower its frequency. e. The longer the wavelength of an electromagnetic wave, the lower its frequency. f. The red glow of a neon sign is due to the excitation of protons in the nuclei of neon atoms.

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Answers (1)

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Makenna Sheppard · Answer 1

Answer: A) Wavelength and frequency are inversely proportional.

Explanation:

From the wave equation;

Velocity = frequency * wavelength

If the above equation is rearranged making the frequency the subject of formula, it would give;

Frequency = velocity / wavelength.

From the above equation we see that frequency is inversely proportional to the wavelength. This means that for every increase in wavelength there would be a decrease in frequency, and for every increase in frequency there is a reduction in wavelength.