MCAT General Chemistry Question 248: Answer and Explanation
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Question: 248
2. An excited electron drops down to its ground state and in the process a photon of light with a wavelength of 525 nm is emitted. Which of the following types of electromagnetic radiation could the photon be?
- A. Infrared
- B. Visible light
- C. X-ray
- D. Cannot be determined from the information given
Correct Answer: B
Explanation:
B Visible light has a wavelength range of 450-700 nm. The photon falls in this range, so visible light must have been emitted.