Question

LED lamps save energy & are eco-friendly. Justify this statement.​

Answer 1

Answer:

Light bulbs that use LED technology not only bring down your energy bills but are also more environmentally friendly when compared to incandescent bulbs and compact fluorescent lights (CFLs). ... LED bulbs consume less power per unit (lumen) of light emitted. This reduces greenhouse emissions from power plants.

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Answer 2

LED lamps save energy & are eco-friendly because they produce the same amount of light output in less energy and do not contain substances that are harmful to the environment.

Explanation:

• LED lamps emit very little heat as compared to incandescent and CFLs lamps. This is because they do not contain any filament.
• They use a lesser amount of energy to give the same amount of light output.
• Therefore, they lower the electricity bill.
• They do not contain fluorescent material and mercury. Thus, they are also environment friendly.