Noise pollution

What is the normal audible range for humans ?

• 20Hz-20KHz

• 200Hz-200KHz

• 20mHz-20Hz

• 2Hz-200KHz

Noise above which level can immediately harm the ears?

• 70dB

• 20dB

• 120dB

• 90dB

Which of the following is not the cause of noise pollution?

• Urbanization

• Afforestation

• Industrial development

• Social events

Which is the source of noise pollution?

• Urban traffic

• Industrial Machinery

• Construction activities

• All of the above

Which of the following is not an effect of noise pollution on human health

• Hearing damage

• Stress & Anxiety

• Wildlife disruption

• Sleep disturbance

Which of the following is not the cause of noise pollution

• Urbanization

• Social event

• Industrial development

• Trash burning

How much percent of Europe's population is affected by noise pollution

• 28%

• 50%

• 78%

• 58%

Which one is not govt. regulation / policies on noise pollution

• Decible limit

• Land use planning

• Zoning ordnance

• Incentives for compliance

Intensity of sound at the time of whispering is

• 30dB

• 40dB

• 50dB

• 70dB