After reading this essay you will learn about:- 1. Meaning of Noise 2. Measurement of Noise 3. Hearing Mechanism 4. Sources. Essay on the Meaning of Noise: "Sound" is a form of energy, consisting of wave motion. It requires medium like gas, liquid or solid for propagation. Sound waves travel (at 330 m/s = 1,070 ft./sec = 1,220 kph or [...]
This article provides notes on Environmental Impact Assessment (EIA) of noise. The EIA study will be carried out to evaluate and assess the impact of any proposed (or existing) activity on the environment. Noise is one of the environmental attributes, on which the likely impact due to the proposed (or existing) activity need to studied. The objective of the EIA [...]
Here is a compilation of notes on Noise. After reading these notes you will learn about: Meaning of Noise 2. Level of Noise 3. Classification 4. Measurement. Contents: Notes on the Meaning of Noise Notes on the Level of Noise Notes on the Classification of Noise Notes on the Measurement of Noise Note # 1. Meaning of Noise: If we [...]