Noise & Radiation
Environment · ध्वनि और विकिरण · 15 facts
Noise above 85 decibels can cause hearing damage
WHO recommends noise levels below 65 decibels daytime
UV radiation from sun causes skin cancer and eye damage
Noise pollution regulated by Noise Pollution Rules 2000
Radiation pollution from nuclear waste and X-rays
Chernobyl 1986 worst nuclear radiation disaster in history
Fukushima nuclear disaster occurred in Japan in 2011
Green belt around factories reduces noise pollution
Electromagnetic radiation from mobile towers is a concern
Silent zones include hospitals schools and courts area
Decibel dB is the unit used to measure sound intensity
Light pollution affects astronomical observations and wildlife
Alpha beta and gamma are three types of nuclear radiation gamma being most penetrating
Radiation is measured in Sievert Sv unit and safe annual limit for general public is 1 mSv
Sound barrier is 130 decibels which is threshold of pain for human ear