The diagram shows a ray of light entering a block of glass.
Which numbered angles are the angles of incidence and of refraction?
The angle of incidence is
The angle of refraction is
Mmuae Afoforo a Wobɛpaw:
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3
4
2
What is added together when two waves superimpose?
When light reflects from a surface, there is a change in its .....
The phenomenon when a wave changes speed as it enters a new medium is called and this produces a change in
A wave is diffracted as it passes through an opening in a barrier.
The amount of diffraction that the wave undergoes depends on both the ....
The diagram shows a ray of light entering a block of glass.
Which numbered angles are the angles of incidence and of refraction?
The angle of incidence is
The angle of refraction is
A man sees a stone at the bottom of a pool of water.
Which path could be taken by light from the stone to the man?
In this animation what kind of interference is shown?
The angle of incidence is equal to the angle of refraction
