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Gurmit wanted to perform Activity 16.8 u...

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?

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**Step-by-Step Solution:** 1. **Understanding Activity 16.8**: First, we need to identify what Activity 16.8 involves. Typically, activities involving laser torches may include experiments related to reflection, refraction, or demonstrating light paths. 2. **Properties of Laser Light**: Laser light is characterized by its coherence, monochromaticity, and high intensity. This means that laser beams are very focused and can be extremely bright. 3. **Potential Hazards of Laser Light**: Due to the high intensity of laser light, it can pose a significant risk to the eyes. Direct exposure to laser beams can lead to severe eye damage, including burns to the retina. ...
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NCERT-LIGHT -EXERCISE
  1. State the laws of reflection.

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  2. Describe an activity to show that the incident ray, the reflected ray ...

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  3. Fill in the blank in A person 1 m in front of a plane mirror seems t...

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  4. Fill in the blank in If you touch your ear with your right hand in ...

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  5. Fill in the blank in The size of the pupil becomes when you see in...

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  6. Fill in the blank in Night birds have cones than rods in their eye...

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  7. Angle of incidence is equal to the angle of reflection.

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  8. Image formed by a plane mirror is

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  9. Describe the construction of a kaleidoscope.

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  10. Draw a labelled diagram of eye .

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  11. Gurmit wanted to perform Activity 16.8 using a laser torch. Her teache...

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  12. Explain how you can take care of your eyes

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  13. What is the angle of incidence of a ray if the reflected ray is at an ...

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  14. How many images of a candle will be formed if it is placed between two...

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  15. Two mirrors meet at right angles. A ray of light is incident on one at...

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  16. Boojho stands at A just on the side of a plane mirror as shown in Fig....

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  17. Find out the position of the image of an object situated at A in the p...

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  18. Can Paheli at B see this image?

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  19. Can Boojho at C see this image?

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  20. When Paheli moves from B to C, where does the image of A move?

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