Given below are a few examples of everyday occurrences. What is common amongst these? Explain the developmental objectives achieved through these examples?
a) Use of CFL bulbs at home.
b) Solar cooker used to boil rajma
c) Windmill used to generate electricity

1.CFL bulbs are used at homes for lighting homes and other arenas where their use is felt.They are very helpful in energy conservation.
2.Solar cooker is used to cook many things apart from rajma .It has also served many purpose like energy conservation,and also helped in curbing pollution.
3.Windmill which is a source of energy now is used to generate electricity which is eco- friendly .
Above the above examples the mostly used now-a-days is CFL bulbs at homes because they have revolutionised the power sector

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