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प्रश्न
The most non-polluting and efficient lighting device is :
विकल्प
CFL
LED
Fluorescent light
Electric bulb
MCQ
उत्तर
The most non-polluting and efficient lighting device is : LED
shaalaa.com
Social Initiatives for Energy
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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.
Give an example to explain that the use of modem eco-friendly technology is more efficient and less polluting.
Describe three ways for the efficient use of energy.
What social initiatives must be taken for the sensitive use of energy?
IEA is the short form of :
Suggest the best particles in the use of energy at school.
