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Questions and Answers
What is the name of the gas used in the laser described in the text?
What is the name of the gas used in the laser described in the text?
- Helium
- Krypton
- Neon (correct)
- Argon
What happens when laser light is obstructed by a small object?
What happens when laser light is obstructed by a small object?
- The waves of light spread around the edges of the obstruction and interfere, resulting in a pattern of dark and light fringes (correct)
- The object becomes invisible
- The laser light scatters
- The object heats up
What is the main characteristic of laser light?
What is the main characteristic of laser light?
- It is highly directional, monochromatic, and very bright (correct)
- It is similar to regular light, but with a slight blue tint
- It is dim and diffused
- It is multi-directional and has a wide range of colors
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