Chapter - 6 Light

Q&A -Ask Doubts and Get Answers



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?


Her teacher advised her not to use laser light because the intensity of the laser light is very high, it is harmful to the human eyes. It can cause damage to the retina and can cause a permanent defect in the eyes. Hence, it is advisable not to look at a laser light directly.

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