Select the option that can be used as a one-word substitute for the highlighted group of words.
Raman had always been attracted to the scientific study of sound and decided to take up a course in sound engineering to pursue his dream career.

Correct option is A

The correct one-word for the given group of words is (a) Acoustics.
Acoustics is the branch of physics that deals with the study of sound and sound waves. (ध्वनि का वैज्ञानिक अध्ययन)
Example: The auditorium was designed with perfect acoustics.
Meanings of the given other options:
· (b) Agronomy: The science of soil management and crop production. (कृषि विज्ञान)
· (c) Alchemy: A medieval forerunner of chemistry concerned with converting metals to gold. (रसविद्या)
· (d) Aesthetics: The study of beauty or taste. (सौंदर्य शास्त्र)