MCAT Physics Question 106: Answer and Explanation
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Question: 106
1. If a light ray has a frequency of 5.0 × 1014 Hz, in which region of the electromagnetic spectrum is it located?
- A. X-ray
- B. UV
- C. Visible
- D. Infrared
Correct Answer: C
Explanation:
It is unnecessary to memorize the entire electromagnetic spectrum for Test Day; however, it is important to know that the visible spectrum runs from 400–700 nm. We can calculate the wavelength of this light ray:
This wavelength falls within the visible spectrum has a red-orange color.