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Laser Pointers emit light waves

Laser Pointers emit light waves whose wavelength is 670 nm. What is the frequency for this light?
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2. asked by Charles
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What does “stimulated emission of radiation” mean?Radioactive particles in a laser emit gamma rays of the same wavelength.
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2. asked by mir
3. 189 views
What does “stimulated emission of radiation” mean?Gas particles in a laser emit photons of light when exposed to an electric
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2. asked by mir
3. 238 views
Which of the following statements describes a possible way to apply this type of lens?(1 point) Responses Concave lenses can be
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2. 34 views
Which of the following statements describes a possible way to apply this type of lens? (1 point) Responses Concave lenses can be
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2. asked by Demon
3. 35 views
Which of the following statements describes a possible way to apply this type of lens?(1 point) Responses Concave lenses can be
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2. asked by Jsussu
3. 37 views
Which of the following statements describes a possible way to apply this type of lens?(1 point) Responses Concave lenses can be
1. 1 answer
2. asked by Jsussu
3. 42 views
Why do scientists observe blueshift in certain start?Stars with higher temperatures emit more light waves at the blue end of the
1. 1 answer
2. 96 views
why do scientists observe blueshift in certain stars?stars with lower temperatures emit more light waves at the end of the
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2. 176 views
How is laser light different from the light produced by a flashlight?Flashlights use reflecting mirrors and lasers do not. The
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2. asked by mir
3. 152 views