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What if your red side light must be visible two boats approaching from which direction?
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Which color has a higher frequency?
In the visible-light portion of the electromagnetic spectrum, frequencies are lowest near red light (approaching infrared waves) and highest near violet light (approaching ultraviolet rays).
Which type of rays are visible?
visible light is the only VISIBLE light.
What is difference between visible and infrared light?
Visible light is visible (for the human eye), infrared is not. Infrared has a longer wavelength, and a higher frequency. visible light is visible to human i.e the VIBGYOR, above vibgyor are ultravoilet light which is not visible to human eye and below vibgyor are infrared light which is also not visible to human eye.
Which electromagnetic radiation can be seen with the human eye?
Visible light waves
Which electromagnetic waves are produced by the sun?
Visible light because some of the energy that reaches the earth from the sun is visible light. The visible light from the sun is white light. White light is visible light of all wavelengths combined. Light from lamps in your home as well as from the fluorescent bulbs in your school is also white light.
If you are operating a powerboat at night your green side light must be visible to boats approaching which directions?
If you are operating a powerboat at night your green side light must be visible to boats approaching over an arc of the horizon 112.5 degrees and so fixed as to show the the light from right ahead to 22.5 degrees abaft of the beam on its respective side.
You are operating a boat at night your red side light must be visible to boats approaching from what directions?
It is my understanding that you are taking the boater test. It is head on and port.
Which color has a higher frequency?
In the visible-light portion of the electromagnetic spectrum, frequencies are lowest near red light (approaching infrared waves) and highest near violet light (approaching ultraviolet rays).
When another vessel is approaching at night from which direction must the red sidelight on a power driven vessel be visible?
The red light should be on the right side, or port side, of the boat. The green light should be on the left, or starboard, side of the boat.
What does black consist of?
The absence of visible light. If no light (or only a little light) is emitted from a particular direction, then when you look in that direction you will see black.
When encountering other vessels in darkness or reduced visibility what does a visible white light indicate?
A vessel displaying a visible white light signifies that it is a power-driven vessel. Observing this light helps determine the vessel's status and potential course of action to avoid a collision.
What is Reflection of light called in all direction?
Visible light causes reflection of light in all directions
If a powerboat is operating at night from which direction should the white masthead light be visible?
The masthead light should be visible in a 225 degree arc centered on dead ahead.
When encountering another vessel in darkness or reduced visibility what is indicated by the presence of only a visible white light?
You are approaching the stern of another vessel and may be overtaking it
Which wave represents visible light?
Visible light is a type of electromagnetic wave.
If a light source is approaching you at a speed very close to the speed of light it will appear?
All of the frequencies emitted by the source would appear higher to me, all of the wavelengths would appear shorter, and anything that was visible to me would appear shifted toward the blue end of the spectrum, compared to what it was when it left the source. If, as you say, the source is approaching me at nearly the speed of light, then the 'shift' will be extreme. What left the source as radio waves might be visible to me, and what left the source as visible light might appear to me as hard X-rays or even gamma rays. By the way ... one thing that must be mentioned and appreciated is the fact that even if the source is approaching me at nearly the speed of light, if I measure the speed of the radiation from it as it sails past me, I'll see the radio, visible, X-ray, whatever ... moving past me at the speed of light ... 300,000 kilometers per second. Doesn't matter if the source is moving toward me, away from me, slow, fast, or sideways.
Which type of rays are visible?
visible light is the only VISIBLE light.
