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The same as the speed of light

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16y ago

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How fast does a laser beam travel in a mile?

A laser beam travels at the speed of light, which is approximately 186,282 miles per second.


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The speed of electrons in the beam is typically close to the speed of light, which is about 186,282 miles per second.


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What is the speed in miles per hour of a beam of light traveling at 3.00 x 108 meters per second?

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In a vacuum space the red laser beam travels faster then the beam of microwaves true or false?

False. In a vacuum, both red laser beams and microwaves travel at the speed of light, which is approximately 3 x 10^8 meters per second. Both types of waves travel at the same speed because they are both electromagnetic waves.


How does a laser rangefinder work to measure distances accurately?

A laser rangefinder works by emitting a laser beam towards a target and measuring the time it takes for the beam to bounce back. By calculating the speed of light and the time it takes for the beam to return, the rangefinder can accurately determine the distance to the target.


What is the typical power of a green laser pointer in milliwatts?

A standard green laser pointer has a power of between 4 and 20 milliwatts. A red laser, for comparison, has a power of less than 5 milliwatts. The beam of a green laser can often be seen, while the beam of a red laser cannot be seen.


How does a laser distance measurer work?

A laser distance measurer works by emitting a laser beam towards a target and measuring the time it takes for the beam to reflect back to the device. By calculating the speed of light and the time it took for the beam to return, the device can accurately determine the distance between itself and the target.


How does a laser measure work to accurately determine distances?

A laser measure works by emitting a laser beam towards a target and measuring the time it takes for the beam to bounce back. By calculating the speed of light and the time it takes for the beam to return, the device can accurately determine the distance between the device and the target.


What is the frequency of a red laser beam with a wavelength of 650 nm?

The frequency of a red laser beam with a wavelength of 650 nm can be calculated using the formula: frequency = speed of light / wavelength. The speed of light in a vacuum is approximately 3 x 10^8 m/s. Thus, the frequency of the red laser beam would be approximately 4.6 x 10^14 Hz.