Lesson T4.2.5
T4.2.5 Colours and prisms Quiz: KS3 Physics, Unit 4
20 questions
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Lesson T4.2.5, Colours and prisms: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 4: Waves, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What does white light consist of?
- Infrared rays only
- Ultraviolet rays only
- All visible colours
- A single wavelength
-
What happens when white light passes through a glass prism?
- Speeds up evenly
- Turns into infrared
- Absorbs completely
- Splits into spectrum
-
Which colour of visible light has the highest frequency?
- Violet
- Red
- Yellow
- Orange
-
Which colour of visible light has the lowest frequency?
- Violet
- Blue
- Red
- Green
-
Why does a red object appear red under white light?
- Reflects red light
- Reflects all colours
- Creates red light
- Absorbs red light
-
What colour does a blue object appear when illuminated by pure red light?
- Blue
- Black
- Purple
- Red
-
Which colour is found at the top of a standard rainbow spectrum?
- Red
- Green
- Violet
- Blue
-
What process does a glass prism use to separate white light into colours?
- Refraction
- Scattering
- Reflection
- Absorption
-
Which natural phenomenon acts like tiny prisms to form a rainbow?
- Dust particles
- Raindrops
- Ice crystals
- Clouds
-
What term describes when an object absorbs certain colours and reflects others?
- Light scattering
- Total reflection
- Prism dispersion
- Differential absorption
-
What colour does a green leaf appear when viewed under green light?
- Red
- Green
- Black
- White
-
Which light colour is refracted the least when passing through a raindrop?
- Violet
- Green
- Red
- Blue
-
How does a white shirt interact with sunlight to appear white?
- Scatters only blue
- Absorbs all colours
- Refracts all colours
- Reflects all colours
-
What is the band of colours called when white light is split?
- Spectrum
- Filter
- Reflection
- Gradient
-
Which colours are combined in standard white light in roughly equal intensity?
- Primary colours only
- All visible colours
- Infrared and ultraviolet
- Red and blue
-
What colour does a white object appear when viewed through a blue filter?
- Blue
- Black
- White
- Red
-
Why do the perceived colours of objects often change under different light sources?
- Temperature changes colour
- Source lacks colours
- Refraction alters hue
- Objects absorb all light
-
What type of reflection allows a rough coloured surface to be seen everywhere?
- Diffuse reflection
- Specular reflection
- Total internal reflection
- Regular reflection
-
What feature of a glass prism allows it to successfully separate white light?
- Curved surface
- Darkened coating
- Angled faces
- Flat parallel sides
-
In what order are colours arranged within a standard light spectrum?
- By frequency
- Random order
- By brightness
- Alphabetical order
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