What's More Activity 1: Now you see me, now you don't Why are the skies blue? Why are sunsets red? Why are clouds white? You can answer these questions when you understand how light is scattered. This experiment will demonstrate the effect of scattering light. All you need here are 3 clear glasses of water, spoonful of sugar and milk and a laser pointer. If laser light is not available, you can use an ordinary flashlight. 880 Laser light A B By A. Manzano-Own work Figure 14 What you need to do: 1. Prepare the materials and set it up like Figure 14. 2. Fill each glass with distilled water. 3. Turn on the laser pointer and observe the path of light as it passes through each glass. 4. Put a spoonful of sugar to the glass labelled B. Stir until all the sugar granules are dissolved completely. 5. Turn on the laser pointer and again observe the path of light as it passes through each glass. 6. Put two spoonsful of liquid milk to the glass labelled C. Stir until there is consistency in the liquid. 7. Again, turn on the laser pointer and observe the path of light as is passes through each glass. Guide questions: 1. Describe what happens as the laser light passes through each glass with only distilled water in it. 2. What happens when a spoonful of sugar was dissolved in glass B and the laser light passes through it? When milk is added in glass C and laser light passes through it? 3. Do you think the particles present in each glass plays a role in how the laser light behaves? 4. How does the size of the particles affect the behavior of light as it interacts with it? 5. Do you think the size of the particles affects how certain frequencies of light are scattered?
What's More Activity 1: Now you see me, now you don't Why are the skies blue? Why are sunsets red? Why are clouds white? You can answer these questions when you understand how light is scattered. This experiment will demonstrate the effect of scattering light. All you need here are 3 clear glasses of water, spoonful of sugar and milk and a laser pointer. If laser light is not available, you can use an ordinary flashlight. 880 Laser light A B By A. Manzano-Own work Figure 14 What you need to do: 1. Prepare the materials and set it up like Figure 14. 2. Fill each glass with distilled water. 3. Turn on the laser pointer and observe the path of light as it passes through each glass. 4. Put a spoonful of sugar to the glass labelled B. Stir until all the sugar granules are dissolved completely. 5. Turn on the laser pointer and again observe the path of light as it passes through each glass. 6. Put two spoonsful of liquid milk to the glass labelled C. Stir until there is consistency in the liquid. 7. Again, turn on the laser pointer and observe the path of light as is passes through each glass. Guide questions: 1. Describe what happens as the laser light passes through each glass with only distilled water in it. 2. What happens when a spoonful of sugar was dissolved in glass B and the laser light passes through it? When milk is added in glass C and laser light passes through it? 3. Do you think the particles present in each glass plays a role in how the laser light behaves? 4. How does the size of the particles affect the behavior of light as it interacts with it? 5. Do you think the size of the particles affects how certain frequencies of light are scattered?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
Section: Chapter Questions
Problem 36PQ
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Transcribed Image Text:What's More
Activity 1: Now you see me, now you don't
Why are the skies blue? Why are sunsets red? Why are clouds white? You can
answer these questions when you understand how light is scattered. This experiment
will demonstrate the effect of scattering light. All you need here are 3 clear glasses of
water, spoonful of sugar and milk and a laser pointer. If laser light is not available, you
can use an ordinary flashlight.
-600
Laser light
A
B
C
By A. Manzano-Own work
Figure 14
What you need to do:
1. Prepare the materials and set it up like Figure 14.
2. Fill each glass with distilled water.
3. Turn on the laser pointer and observe the path of light as it passes through each
glass.
4. Put a spoonful of sugar to the glass labelled B. Stir until all the sugar granules
are dissolved completely.
5. Turn on the laser pointer and again observe the path of light as it passes through
each glass.
6. Put two spoonsful of liquid milk to the glass labelled C. Stir until there is
consistency in the liquid.
7. Again, turn on the laser pointer and observe the path of light as is passes through
each glass.
Guide questions:
1. Describe what happens as the laser light passes through each glass with only
distilled water in it.
2. What happens when a spoonful of sugar was dissolved in glass B and the laser
light passes through it? When milk is added in glass C and laser light passes
through it?
3. Do you think the particles present in each glass plays a role in how the laser light
behaves?
4. How does the size of the particles affect the behavior of light as it interacts with
it?
5. Do you think the size of the particles affects how certain frequencies of light are
scattered?
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