The study of light and vision is known as _______?
Correct answer: B. Optics
- A. Acoustics
- B. Optics
- C. Astronomy
- D. None of these
Explanation
Optics is the branch of physics concerned with light, its behaviour, and vision. Acoustics instead deals with sound, while astronomy studies celestial objects.
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About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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