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Question
Which of the following tasks can be done using light?
Which of the following tasks can be done using light?
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Solution
The correct option is D U
Light is a form of energy. It can do various kinds of work. The most important work that light does is that it enables us to see things. Light can also be used to produce electricity using solar cells. Solar cookers converge the incident light to a point. The light concentrated at a point produces heat which is required to cook food.
U
Light is a form of energy. It can do various kinds of work. The most important work that light does is that it enables us to see things. Light can also be used to produce electricity using solar cells. Solar cookers converge the incident light to a point. The light concentrated at a point produces heat which is required to cook food.
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