Question

A sound of very low intensity, even if it is not causing any physiological harm to an individual, can be a case of noise pollution. Any sound, irrespective of loudness, which causes psychological effects in individuals is considered as a case of noise pollution. Which of the following is most appropriate?

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• C. (A) is correct but (R) is not correct
• D. (A) is not correct but (R) is correct

Hint:

Noise pollution is defined by its impact (psychological or physiological), not just by decibel level. Even soft, unwanted sounds can qualify.

Answer 1

The Correct Option is A

Step 1: Concept
Definition of noise pollution.

Step 2: Meaning
Noise pollution is any unwanted or disturbing sound that negatively affects humans or animals, including through physiological or psychological effects.

Step 3: Analysis
Statement (A) says low-intensity sound can be noise pollution if it causes psychological effects.
Statement (R) defines noise pollution as any sound causing psychological effects, regardless of loudness.
(R) directly explains and justifies (A): because noise pollution is defined by psychological impact (not just physiological), even low-intensity sounds qualify.

Step 4: Conclusion
Both (A) and (R) are correct, and (R) is the correct explanation of (A). Final Answer: (A)