Which one of the following statements concerning thewavelength of an electromagn

Question

Which one of the following statements concerning thewavelength of an electromagnetic wave in a vacuum is true?

a. The wavelength is the same for alltypes of electromagnetic waves.
b. The wavelength is directlyproportional to the frequency of the wave.
c. The wavelength is inverselyproportional to the speed of the wave.
d. The wavelength is inverselyproportional to the frequency of the wave.
e. The wavelength is independent of the speed of the wave for afixed frequency. Which one of the following statements concerning thewavelength of an electromagnetic wave in a vacuum is true? The wavelength is the same for alltypes of electromagnetic waves. The wavelength is directlyproportional to the frequency of the wave. The wavelength is inverselyproportional to the speed of the wave. The wavelength is inverselyproportional to the frequency of the wave. The wavelength is independent of the speed of the wave for afixed frequency.

Explanation / Answer

D is true. The wavelength is inversely proportional to thefrequency of the wave. The smaller the wavelength of EM waves, the larger the frequencyand the larger the energy. Radio waves have a long wavelength andlow frequencies. Gamma rays have short wavelengths and highfrequencies

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