Grade 10 Light and Optics Worksheet
A comprehensive worksheet for Grade 10 Science students covering key concepts in Light and Optics, including reflection, refraction, lenses, and mirrors.
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Light and Optics Worksheet
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following phenomena is responsible for the splitting of white light into its constituent colors when it passes through a prism?
Reflection
Refraction
Dispersion
Diffraction
2. Which type of lens is thicker in the middle and thinner at the edges, causing parallel light rays to converge at a focal point?
Concave lens
Convex lens
Plano-concave lens
Plano-convex lens
3. The bending of light as it passes from one medium to another is called .
4. A virtual image is always formed when an object is placed between the pole and the principal focus of a mirror.
5. State the Law of Reflection. Draw a diagram to illustrate your answer.
6. Explain the difference between a real image and a virtual image.
7. Light travels faster in water than in air.
True
False
8. A convex mirror always forms a virtual, erect, and diminished image.
True
False
Match the term on the left with its definition on the right.
9. Focal length
a. The point where parallel light rays converge after passing through a lens or reflecting off a mirror.
10. Optical center
b. The distance between the optical center of a lens and its principal focus.
11. Principal focus
c. The central point of a lens through which light rays pass undeviated.
12. A student is trying to focus the image of a distant tree using a convex lens. Describe the process and explain where the image will be formed relative to the lens and its focal point.