Practice Activity 13.4 (13.3.1) - LIGHT

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8 questions

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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What happens to light when it strikes a smooth surface?
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Think about mirrors.
Question 2.
Can you see objects in a dark room?
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Consider how we perceive light.
3Question 3.
What is the angle of incidence when the reflected ray leaves at the same angle?
- 90 degrees
- 45 degrees
- Same as angle of incidence
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Think about how angles work at the reflection point.
4Question 4.
True or False: Diffused reflection means the failure of laws of reflection.
- True
- False
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Reflect on the nature of surfaces.
Question 5.
If you shine a laser pointer on a rough surface at an angle of 30 degrees, what do you expect the reflection to look like?
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Think about how light interacts with uneven textures.
Question 6.
Consider a scenario where you need good visibility while reading a book under a lamp. Discuss how arranging the lamp's light can use both types of reflection effectively.
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Reflect on the roles of light and surfaces in your environment.

4 more questions in this section. Enroll free to practise them all.