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प्रश्न
Gurmit wanted to perform Activity 13.8 using a laser torch. Her teacher advised her not to do so. Can you explain the basis of the teacher’s advice?
स्पष्ट करा
उत्तर
Laser light is harmful for the human eyes, because its intensity is very high. It can cause damage to the retina and lead to blindness. Hence, it is advisable not to look at a laser beam directly.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
