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Q:

सोलर कुकर में किस दर्पण का प्रयोग किया जाता है ?

  • 1
    उत्तल दर्पण
  • 2
    समतल दर्पण
  • 3
    अवतल दर्पण
  • 4
    इनमे से कोई नहीं
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Answer : 3. "अवतल दर्पण "
Explanation :

A concave mirror is used in a solar cooker. Specifically, a concave mirror focuses sunlight onto a small area, increasing the intensity of the sunlight and generating heat. This concentrated sunlight is then used for cooking in solar cookers, harnessing solar energy for practical applications.

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