PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Mention few measures to be taken to reduce the effect of noise pollution.
a. Usage of should be avoided during festival times.
b. All vehicles should be equipped with .
2. Define the following terms.
Amplitude and Loudness
a. The displacement of a vibrating particle from its mean position is called amplitude.
b. The unit of amplitude is .
3. How does planting trees help in reducing noise pollution?
a. Plant parts sound, such as stems, leaves, branches, and wood.
b. Planting trees near the residential areas the noise pollution.
Register for free to see more content