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8J end of topic test (11/25/2024)

Last updated 3 months ago
19 questions
1

What is the definition of light?

1

What type of material allows all light to pass through?

1

What happens when light hits a smooth, shiny surface?

1

Which part of the eye controls the amount of light entering it?

1

What causes a rainbow to form?

1

What is the primary function of rods in the retina?

1

What is refraction?

1

Which color of light has the shortest wavelength?

1

What happens to light when it passes through a convex lens?

1

What part of the camera is similar to the retina in the eye?

1

What type of material allows some light to pass through but scatters it?

1

What color is produced when red and blue light are combined?

1

Which of the following is NOT a property of light?

1

Why does a green object appear green in white light?

1

What is dispersion?

1
Light travels in _______ lines.
1
The bending of light as it passes from one medium to another is called _______ .
3

On the diagram above draw a ray of light to show how George sees the light from the lamp reflected by the laptop screen.Draw arrows to show the direction of light.

2

Explain why this ball appeared red.