What happens when light hits an object?
Each box represents a different type of material. Some are opaque, transparent
reflective etc. Complete the ray diagrams by drawing the rays that show what
happens after light from the bulb has hit each box include arrows on your rays.
Match the key word to each diagram and explain why the rays behave as they do.
ABSORPTION, REFLECTION, SCATTERING, TRANSMISSION, REFRACTION,
FILTERING
1. Transparent
2. Opaque
3. Plain Mirror
4. Glass block
5. Blue block
6. Rough Surface
Complete the Ray Diagrams
1.
Sophie places a coin at the bottom of an empty mug. She cannot see the coin with
her eye in the position shown.
eye
coin
(a)
Sophie fills the mug with water. Her head is in the same position as before, but
now she can see part of the coin.
eye
coin
Draw a ray of light on the diagram to show how Sophie can see part of the coin.
Use a ruler.
Draw an arrow on the ray to show its direction.
3 marks
(b)
Sophie pours some concentrated blackcurrant juice into the water.
The blackcurrant drink acts like a red filter and makes the coin look red.
Explain how a red filter works.
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2 marks
Maximum 5 marks
Stop
Think
Stop Think
Locate
Nadia is on her bicycle, waiting to pull out from a road junction.
Michael is driving his car round the bend. A row of houses stops Nadia from seeing
Michael's car.
not to scale
(a)
At what position will Michael's car be when Nadia first sees it?
Tick the correct box.
A
B
C
D
1 mark
Stop Think
Locate
(b)
A row of shops was built opposite the junction. The shops have glass windows
which act as a mirror.
Locate
diagram
What do
you have
to do?
not to scale
Nadia could see Joan's motorbike reflected in the glass window.
(i)
On the diagram above, draw a ray of light to show how Nadia can see
Joan's motorbike reflected in the glass window.
Add arrows to the ray. Use a ruler.
3 marks
(ii)
How does the glass window help to reduce the number of accidents?
Describe...............................................................................................
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1 mark
Maximum 5 marks