Khối 8
Science 8
Physics
Unit 12. Light
How light bends
Choose the correct answer.
When light passes from a less dense material to a more dense material (e.g. air to glass) light bends:
Away from the normal
Away from the surface (reflects)
Towards the normal
Into the normal
Giải thích
The correct answer
Towards the normal
Away from the surface (reflects)
Into the normal
Away from the normal
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Choose the correct answer.
When a rainbow is formed outside naturally, what causes the light to refract?
small raindrops
sunlight rays
tiny mirrors
glass prisms
Giải thích
The correct answer
small raindrops
sunlight rays
tiny mirrors
glass prisms
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Choose the correct answer.
When does refraction occur?
When light hits an opaque object
At the interface between two transparent materials
Whenever light interacts with a material
At the interface between any two materials
Giải thích
The correct answer
At the interface between two transparent materials
Whenever light interacts with a material
At the interface between any two materials
When light hits an opaque object
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