Question

Define silence zone.

Answer 1

Hint: You can imagine the silence zones as the areas where the permitted limit for noise is 50 decibels, during the day and 40 decibels during the night time. They are marked by a range of 100 kilometre around the hospitals, courts, and educational institutes. The demarcation is done by the competent authority. Always remember, use of horns, loudspeakers, crackers burning etc. are prohibited in the silence zone.

Complete answer:
The silence zone can be defined by competent authorities as an area that does not comprise, less than 100 metres around hospitals, educational institutions and courts.

The decibel level in silence zones should not exceed 50 decibels, in the day time and 40 decibels during the night. However, the sound levels at the sites varies from 56 decibels to even as high as 77 decibels also for the day time and from 51 decibels to 75 decibels for the night.

It can be thought of as a step towards control of Noise Pollution. A green-belt effectively decreases the noise. Also, a twenty-foot-wide plantation inside the compound protects the house from the noise of traffic.

You should know, there are specific legislation and regulations proposed for designing and to operate machines including vibration control, sound-absorbing materials, and sound-proof cabins.

Additional information:
Interestingly, in metropolitan areas a green belt of vegetation and open spaces in general may greatly control noise as in air purification. It has been seen that plants are efficient noise absorbers, especially noise of high frequency. Plants also can absorb aeroplane noise, so a green belt should be planted around airports. You must have seen loudspeakers, which have become a part of festivals, prayers and weddings are banned in most places. Loud playing of speakers should be reported to the police immediately.

Note: Simply keep in mind, that Silence zones are areas unto 100 meters around such places as hospitals, educational institutions and courts. They are declared by the Competent Authority. Use of loudspeakers, vehicular horns, and bursting of crackers shall be banned in these areas.