Q. Consider the following statements regarding noise pollution.
1. The World Health Organization recommends that the sound level indoors should be less than 30 dB.
2. Silence Zone is an area comprising not less than 100 metres around hospitals, courts, etc.
Which of the above statements is/are correct?
Answer: C
Notes:
Noise Pollution (Control and Regulation) Rules, 2000 define ambient noise levels for various areas as
Industrial Area 75 dB, day time; 70 dB, night time
Commercial Area 65 dB, day time; 55 dB, night time
Residential Area 55 dB, day time; 45 dB, night time
Silence Zone 50 dB, day time; 40 dB, night time
Noise Pollution
- Noise pollution is an unpleasant noise created by people or machines that can be annoying, distracting, intrusive, and/or physically painful.
- Sound is measured in decibels (dB). An increase of about 10 dB is approximately double the increase in loudness.
- The World Health Organization recommends that the sound level indoors should be less than 30 dB.
- The Government of India on Mar 2011 launched a Real time Ambient Noise Monitoring Network. Under this network, in phase- I, five Remote Noise Monitoring Terminals each have been installed in different noise zones in seven metros (Delhi, Hyderabad, Kolkata, Mumbai, Bangalore, Chennai and Lucknow).
- In Phase II another 35 monitoring stations will be installed in the same seven cities. Phase III will cover installing 90 stations in 18 other cities.
- Phase-III cities are Kanpur, Pune, Surat, Ahmadabad, Nagpur, Jaipur, Indore, Bhopal, Ludhiana, Guwahati, Dehradun, Thiruvananthpuram, Bhubaneswar, Patna, Gandhinagar, Ranchi, Amritsar and Raipur.
Source: ForumIAS
