Discussion
The unit for the measurement of noise pollution is :
Answer: A
Noise is measured in decibels.
The decibel (dB) is a logarithmic unit of sound intensity level, so an increase of 10 dB means ten times the intensity. Noise standards and limits are expressed in dB, usually A-weighted, dB(A).
Hertz measures frequency (pitch), watt measures power, and lux measures illuminance. None of them expresses loudness of noise.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development