KS3 Physics Chapter 3 - Starter Questions

What is the speed of light?

• 30,000,000 m/s

• 300,000,000 m/s

• 300,000m/s

• 3,000,000 m/s

What type of vacuum does our 3D universe exist in?

(a)  

What the are 3 different types of materials that classify "light passage"?

• Solid

• Opauqe

• Translucent

• Luminous

• Transparent

What does "refraction" mean?

• The change of direction of a light ray

• The increase of mass in an object

• The increase of temprature

• The way a luminous object reflects light

What is are the 2 different types of reflection?

• Reflected Ray / Rough Surface

• Specular Scattering

• Specular Reflection / Diffuse Scattering

• Rough Transprent / Diffuse Surface

What is the name of the spectrum used to measure light-colour?

• Electromagnetic Spectrum

• Prism Spectrum

How is a rainbow formed?

Is this image true or false?

• False

• True

What are the 2 different types of lenses?

• Convex / Converge

• Coverage / Conrage

• Croex / Contage

Is this image True or False?

• False

• True