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प्रश्न
Give an example to explain that the use of modem eco-friendly technology is more efficient and less polluting.
उत्तर
Modern appliances like refrigerators make use of significantly less energy than older appliances as they have star rating according to their efficient use of electricity. Higher the star rating, higher is the efficiency.
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संबंधित प्रश्न
What is meant by the efficient use of energy?
State two ways to save the energy.
How does the proper insulation of home save energy?
Which of the following device is most efficient for the lighting purpose?
LED, CFL, fluorescent tube light, Electric bulb.
Describe three ways for the efficient use of energy.
What social initiatives must be taken for the sensitive use of energy?
The most non-polluting and efficient lighting device is :
IEA is the short form of :
Suggest the best particles in the use of energy at school.
