Gurmit wanted to perform Activity 16.8 using a laser torch. Her teacher advised her not to do so. Can you explain the basis of the teacher's advise?
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Answer:
Answer : Her teacher advised her not to do so because of the intensity of the laser light is very high which is harmful to the human eyes. It can cause damage to the retina and which can lead to permanent blindness. Hence, it is also advisable not to look at a laser beam directly.
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Explanation:
Laser torch has laser light. Laser light has very high intensity and hence it is harmful for the human eyes. It can cause damage to the eyes and can even lead to blindness. Thus, we should avoid looking at a laser beam directly.
Intensity of the laser torch is very high as compared to the normal torch. Its light is concentrated in a very narrow beam and is highly energetic. It will damage the friend's eye if directly projected into it.
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