7th Class Science Related to Competitive Exam Question Bank Work and energy

  • question_answer
    Sun is said to be the ultimate source of energy. Solar energy gets transformed into

    A) chemical energy during photosynthesis

    B) heat energy in drying food grains

    C) electrical energy in solar cells

    D) All of these

    Correct Answer: D

    Solution :

        Solar energy can be transformed into chemical, electrical, heat or mechanical energy by using suitable equipment?s.


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