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Questions and Answers
Which of the following best describes the behavior of light?
Which of the following best describes the behavior of light?
- Light can travel through a vacuum (correct)
- Light always travels in a straight line
- Light can bend at will
- Light can only travel through solids
What is the primary source of light energy?
What is the primary source of light energy?
- Batteries
- Electricity
- Fire
- The Sun (correct)
Which material would most effectively block the passage of light?
Which material would most effectively block the passage of light?
- Transparent glass sheet
- Solid metal sheet (correct)
- Cotton cloth
- Thick paper sheet
What happens to the speed of light when it travels from air to glass?
What happens to the speed of light when it travels from air to glass?
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Study Notes
Light Behavior
- Light behaves as both a wave and a particle, exhibiting characteristics of both.
Light Energy Source
- The primary source of light energy is the Sun.
Light Blockage
- Lead is the material most effective at blocking the passage of light due to its high density.
Light Speed
- When light travels from air to glass, its speed decreases due to the change in medium.
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