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A helium-neon laser emits light

A helium-neon laser emits light of wavelength 633 nanometers(nm). Light from an argon laser has a wavelength of 515 nm. Which
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2. asked by Shirley
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What is the energy of a single photon from a helium -neon laser that emits light 632.8nm?
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2. asked by Gweedo8
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I=0.5E0EO²C where E0 is the permitivity of the vacuum and C is the velocity of light. a)Show that the units of the equetion are
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2. asked by nnanga
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the light from a helium neon laser has a wavelength of 632 nanometers in air. the same light has a wavelength of 479.2 in glass.
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2. asked by gerl
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A helium-neon laser produces light with a wavelength of 638 nm. when this light is shone though a double slit apparatus, an
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2. asked by oyebodegoldencity
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A laser produces 15.0mW of light. In 3.00hr , the laser emits 4.53×1020 photons. What is the wavelength of the laser?
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2. asked by Anonymous
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Problem 17.6A helium-neon laser beam has a wavelength in air of 633nm . It takes 1.48 ns for the light to travel through 31.0 cm
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2. asked by Paige
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Problem 17.6A helium-neon laser beam has a wavelength in air of 633nm . It takes 1.48 ns for the light to travel through 31.0 cm
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2. asked by Paige
3. 1,097 views
pleaase help me with this,i'm very bad in physics, and i mostly don't understand any of this stuff...can anyone explain as well
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2. asked by physics
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In co2 laser, the co2 vibrates when it collides with nitrogen atoms instead of getting excited to next level.Why? why is this
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2. asked by nanbala
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