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Why does lower frequency visible light penetrate the atmosphere better than higher frequency light?
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How is sunlight composed of energy that is visble to humans and energy that is not visble to humans?
It has different wavelengths
What impact does light pollution have on astronomy?
No, it would not. Telescopes located on mountaintops ... above most of the atmosphere ... work much better than telescopes located in valleys do. And, viewed from the moon, where there's no atmosphere at all, the stars are plainly visible in the sky even when the sun is too.
Why do optical telescope work better in space?
In space, there is no interference by Earth's atmosphere.
Why is lead a soundproofing material?
Lots of mass (very low resonant frequency) Low stiffness (very high co-incident frequency) All materials have both a resonant and co-incident frequency, at which sound is transmitted more efficiently. Materials where these frequencies occur outside of the range of hearing (20 - 20,000 Hz) are better for sound proofing. With lead, the resonant frequency is below 20Hz and the co-incident frequency is about 20,000Hz.
Why do some countries have 60hz frequency?
Technically there is little to choose between 50 and 60 Hz and it's just history that determined it. Once the choice is made it's difficult to change. The lower frequency is slightly better for long-distance transmission of power because the resistance of same-sized wires is slightly less. The higher frequency is slightly better because iron transformer cores can be made 20% lighter.
Good effects of a solar eclipse?
the corona(one of the layers of the sun's atmosphere) of the sun becomes visible, which enables scientists to study it and gain a better understanding of the sun
Which electromagnetic wave has frequency of 6 X 100000000 megahertz?
A frequency of 600000000MHz is better expressed as 600THz (TeraHertz). It has a wavelength of 500 nm (nanometres) which places it in the visible spectrum. This particular wavelength is somewhere in the green. Green light is from 495 to 570 nm.
Is a higher or lower accident frequency rate better?
A lower accident frequency rate is better as "frequency" means "how often something occurs".
What light colors penetrate the deepest?
Blue and violet: no these are reflected. Red in much better!
Do ozone make the atmosphere better?
Yes, ozone does make the atmosphere better. It is one of the boon at the atmospheric level.
What is lawn aeration?
It is the simple process of punching holes in a lawn or green to allow air to penetrate the soil. Additionally, it loosens the soil and allows water to penetrate better as well.
How is sunlight composed of energy that is visble to humans and energy that is not visble to humans?
It has different wavelengths
Why do they use air horns and not whistles?
Low tone air horns penetrate better through windows, fog etc. High tones are very noticeable but do not travel or penetrate well.
Does higher frequency gives best sound quality?
A higher sampling frequency gives better sound reproduction. Up to the Nyquist frequency.
How do you choose carrier frequency value?
typically the carrier frequency has to be at least double the signal frequency but in order to get better results you want to choose a frequency that is at least 5 times the highest frequency you are designing for.
Why can the hubble space telescope make images in visible light that are much better than images made by the telescopes on earth?
There is minimal atmospheric disturbance up where the Hubble orbits. Down here on Earth we have to contend with the atmosphere.
Why can the hubble space telescope make image in visible light that are much better than images made by telescopes on earth?
There is minimal atmospheric disturbance up where the Hubble orbits. Down here on Earth we have to contend with the atmosphere.
