Practice Assessment Questions (8) - Chapter 5 : Light Energy

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8 questions

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6 sample questions

Question 1.
What type of mirror is used in headlights?
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Think of mirrors that focus light.
Question 2.
What type of lens corrects myopia?
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It's the type of lens that helps you see nearby things clearly.
3Question 3.
Which type of mirror converges light?
- Convex
- Concave
- Plane
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Think about mirrors that create focused light beams.
4Question 4.
True or false: Hypermetropia can be corrected with concave lenses.
- True
- False
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Recall the types of lenses used for different vision corrections.
Question 5.
If you have a concave lens of focal length -10 cm, and you want to form a virtual image of an object placed 15 cm from the lens, where will the image be formed?
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Use the lens formula: 1/f = 1/v - 1/u.
Question 6.
A pencil is partially submerged in water. Explain what will be observed when viewed from the side, and why does this happen?
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Consider how light changes speed when it enters a different medium.

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