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Assertion : Trees should be planted alon...

Assertion : Trees should be planted along the roads to control noise pollution.
Reason : Trees act as noise buffers.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Text Solution:** 1. **Understanding the Assertion**: The assertion states that "Trees should be planted along the roads to control noise pollution." This implies that planting trees can help in reducing the noise levels that come from vehicles and other sources along the roads. 2. **Understanding the Reason**: The reason given is that "Trees act as noise buffers." This means that trees have the ability to absorb sound, thereby reducing the intensity of noise that reaches nearby areas. 3. **Explaining How Trees Absorb Sound**: Trees have various parts such as leaves, branches, and trunks that can absorb sound waves. When sound waves hit these surfaces, some of the sound energy is absorbed, which reduces the overall noise level. 4. **Examples of Noise Reduction**: For instance, the noise produced by buses, trucks, and horns can be significantly reduced when trees are planted along the roadside. The sound waves from these vehicles interact with the trees, leading to a decrease in noise pollution. 5. **Conclusion**: Since the assertion is that trees should be planted to control noise pollution, and the reason explains how trees function as noise buffers, both the assertion and the reason are correct. Therefore, the assertion is supported by the reason. 6. **Final Answer**: The correct option is that both the assertion and reason are true, and the reason is the correct explanation of the assertion. ---
**Step-by-Step Text Solution:** 1. **Understanding the Assertion**: The assertion states that "Trees should be planted along the roads to control noise pollution." This implies that planting trees can help in reducing the noise levels that come from vehicles and other sources along the roads. 2. **Understanding the Reason**: The reason given is that "Trees act as noise buffers." This means that trees have the ability to absorb sound, thereby reducing the intensity of noise that reaches nearby areas. 3. **Explaining How Trees Absorb Sound**: Trees have various parts such as leaves, branches, and trunks that can absorb sound waves. When sound waves hit these surfaces, some of the sound energy is absorbed, which reduces the overall noise level. ...
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Noise is a common problem in both urban and rural areas, traffic noise in particular. Trees and shrubs are not only visually attractive but also can make effective noise barriers. Therefore when space permits we have to plant more trees and shrubs in areas where there is noise problem. By doing this noise can be reduced by six decibels over a distance of 30 metres. The only thing we have to keep in mind is that the planting should be particularly dense, the trees which have dense foliage and relatively vertical orientation of arrangements should be planted. It will completely screen the source of noise. If there is any gap in barrier it will still allow noise to penetrate. Single layer of trees is worthless as a noise barrier. Due to inter-reflection, multi-rows of trees are more effective. The planted trees must be taller. We can reduce noise level by 1.5 decibels with each additional 3 feet of tree height When the opportunity to use trees is restricted a combination of shrubs and tall grass can be used. Instead of tarmac or gravel surfaces soft grass ground cover is preferable. It will absorb noise rather than reflect it. Rows of trees, shrubs, crotons, ground covering plants, climbers and their flowers not only reduce noise and provide a beautiful backyard they also help block wind, provide shade, and absorb traffic pollution. Higher the trees

Answer the following question:- Noise is a common problem in both urban and rural areas, traffic noise in particular. Trees and shrubs are not only visually attractive but also can make effective noise barriers. Therefore when space permits we have to plant more trees and shrubs in areas where there is noise problem. By doing this noise can be reduced by six decibels over a distance of 30 metres. The only thing we have to keep in mind is that the planting should be particularly dense, the trees which have dense foliage and relatively vertical orientation of arrangements should be planted. It will completely screen the source of noise. If there is any gap in barrier it will still allow noise to penetrate. Single layer of trees is worthless as a noise barrier. Due to inter-reflection, multi-rows of trees are more effective. What distance a good number of trees can cover in reducing noise ?