Ncert solutions

Ncert solutions

Grade 8

Light | Exercise

Question 11

Q11) 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 advice?

Solution:

The laser beam is very harmful to our eyes which can cause permanent damage to our eyes. So we should not look through the laser beam directly or indirectly.

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subject-cta

Question 11

Q11) 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 advice?

Solution:

The laser beam is very harmful to our eyes which can cause permanent damage to our eyes. So we should not look through the laser beam directly or indirectly.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your science exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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