Light and Optics Worksheet
A Grade 9 Science worksheet covering fundamental concepts of light and optics, including reflection, refraction, and properties of light.
Includes
Standards
Topics
Light and Optics
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Light travels in straight lines and is composed of particles called .
2. The bouncing back of light when it strikes a surface is called .
3. The bending of light as it passes from one medium to another is known as .
4. A material that does not allow light to pass through it is described as .
5. Which of the following colors has the longest wavelength?
Blue
Green
Red
Violet
6. Which type of lens causes parallel light rays to converge at a focal point?
Concave lens
Convex lens
Plano lens
Cylindrical lens
7. Light can travel through a vacuum.
True
False
8. The angle of incidence is always equal to the angle of refraction.
True
False
9. Explain the difference between a real image and a virtual image.
10. Describe how a rainbow is formed, referencing the concepts of dispersion and refraction.
11. Observe the image below showing light passing through a prism. Label the incident ray, refracted ray, and emergent ray. Also, indicate where dispersion occurs.
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