Digital PSAT Reading and Writing Practice Question 249: Answer and Explanation
Question: 249
A new approach was required before color photography could emerge as a truly viable artistic and documentary medium. Such an approach was theorized just ten years later. While Hill's and Becquerel's labors had emphasized the search for a novel, chameleonic compound to assume any spectral wavelength shown upon it, Scottish physicist James Clerk Maxwell used as his model the color sensitivity of the human eye.
The text suggests that Maxwell was able to make a scientific breakthrough in photographic technology by shifting his focus from
- A. chemistry to biology.
- B. anthropology to astronomy.
- C. physics to mathematics.
- D. artistry to geometry.
Correct Answer: A
Explanation:
A. The text reports how Hill's and Becquerel's chemistry-based approach toward color photography was not as promising, while reporting that Maxwell was able to make progress by focusing biologically on how the human eye perceives colors. The other options do not accurately describe this transition.
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