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Combined science (AQA Higher)
Electromagnetic waves
Starter quiz
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Give to class
In a wavefront diagram, what does a wavefront show?
a beam of light
a peak of a wave ✓
the front of a wave
the frequency of a wave
the direction of wave travel
Which statement about light is correct?
Light cannot change direction.
A ray box produces a single ray of light.
Light can only reflect from shiny surfaces.
All types of wave can be reflected. ✓
Match the terms with their meanings.
absorbed
⇔
loses its brightness as it passes through the object ✓
transmitted
⇔
passes through the object ✓
reflected
⇔
bounces off the surface of the object ✓
In a ray diagram, the ray that approaches a surface or boundary is called the
______
ray.
'incident' ✓
This ray diagram represents a light wave hitting a mirror. Which diagram shows the normal line drawn correctly (as a dashed line)?
The ray diagram represents a light wave reflecting from a mirror. A student has placed a protractor over the diagram. What is the angle of incidence?
27°
63° ✓
77°
117°
123°
+