0
What else can I help you with?
Is solar radiation absorbed at earth's surface and is reemitted as infrared radiation?
Yes, solar radiation is absorbed by the Earth's surface and is then reemitted as infrared radiation. This process is also known as the greenhouse effect, where certain gases in the atmosphere trap some of this infrared radiation, leading to warming of the planet.
Why do you think sound usually travel fastest through solids but light usually travel slowest through solids?
As you know, light is electromagnetic wave. While sound is mechanical wave, Sound requires a medium to travel, and sound offers best condition for it. While light is enegry packates (photons) and solids hinder its path making it slower.
How does refraction work?
When light travels through a given substance, the enegry of the light wave is constantly being absorbed and reemitted by molecules within the medium. Therefore, when light travels through a vacuum (no molecules), it will travel at approximately 3X10^8 m/s, and when light travels through air, it will be slightly slower, due to the reduction in speed due to molecular absorbiton and resorbtion. (2.997X10^8 m/s). When light travels through dense matter, such as glass, it will slow more significantly. This slowing or speeding up of light as it travels from one medium to the next is the primary cause of refraction. This is rather hard to conceptualize through text, but this is the best way that I can describe it. Picture a wave of light as a maching band in file. On concrete, they walk at a given speed. On mud, they walk at a lesser speed. Say the (light) band is approaching the concrete/mud barrier at an angle. When the front corner of the bank hits the mud, it will slow while the other corner of the front remains the same speed. Since one corner is traveling more slowly, the front of the band/light will "pivot" until the entire front of the wave is in the second medium, causing a change in the direction of the light. Kind of muddy, eh? This process occurs from during transition between medias. Therefore, for example, when you look at the surface of water, the light you see is actually bent (refracted) from a point where it physically isn't.
Is solar radiation absorbed at earth's surface and is reemitted as infrared radiation?
Yes, solar radiation is absorbed by the Earth's surface and is then reemitted as infrared radiation. This process is also known as the greenhouse effect, where certain gases in the atmosphere trap some of this infrared radiation, leading to warming of the planet.
What term specifically describes the process wherein the sun's radiation becomes trapped in the earth's atmosphere?
greenhouse effect Visible light come in, is absorbed by the earth's surface and reemitted as IR, the IR cannot escape the atmosphere to space so heat builds up in the atmosphere.
What type of radiation does a comet emit?
Like the planets, comets emit no visible light of their own-they shine by reflected (or reemitted) sunlight.
What core produces sunlight?
The core of the sun does not produce any sunlight, the surface of the sun does.Photons are produced in the core as gamma rays at a temperature of about 15 million Kelvin, being absorbed and reemitted repeatedly by atoms, cooling along the way, take from 10,000 years to 170,000 years to reach the surface as visible light at a temperature of about 4000 Kelvin to 6000 Kelvin. As the reemitted photon is usually not the same energy as the one absorbed by the atom (usually lower energy and thus cooler), it is reasonable to assume it is actually a different photon (although being bosons photons are all identical and indistinguishable).Once emitted on the surface of the sun photons that arrive on earth as sunlight take only 8 minutes to complete this final trip.
Why are non-metals not shiny?
Metals are shiny because their outer electrons not attached to any particular atom but are free to wander throughout the material with little resistance. This is also what makes metals conductive. So when light shines on metal it sets these free electrons into vibration so instead of energy springing from atom to atom it's reemitted as visible light. However, nonmetals may not have this property and therefore aren't shiny.
What are some nine letter words with 2nd letter E and 3rd letter E and 4th letter M and 9th letter D?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern -EEM----D. That is, nine letter words with 2nd letter E and 3rd letter E and 4th letter M and 9th letter D. In alphabetical order, they are: reemerged reemitted seemlihed seemlyhed
Is the black bit of your eye a hole?
No; the whole eye is protected by a thin clear membrane called the cornea. Light enters the iris, passes through the lens and is absorbed by the rods and cones on the retina. No light is reemitted or reflected, so we do not see any colour in the centre of the eye and it appears black.
Why do sound waves travel faster in water whereas light travels slower?
Because these two phenomena, joined by scientifically not quite correct metaphora "waves" - are based on different principles. Sound needs media to travel. Light doesn't need. Sound is basically vibrations of media molecules less distance between molecules (higher density) better and faster energy transfer. For light it's almost completely opposite. Light is being absorbed and reemitted by media molecules. This process takes some time which is slows down light speed.
What are some nine letter words with 4th letter M and 5th letter I and 7th letter T?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 23 words with the pattern ---MI-T--. That is, nine letter words with 4th letter M and 5th letter I and 7th letter T. In alphabetical order, they are: animistic apomictic atomistic badminton chemistry chymistry committal committed committee committer formiates helminths palmister palmistry panmictic permitted permittee permitter reemitted submittal submitted submitter unsmitten
Why do you think sound usually travel fastest through solids but light usually travel slowest through solids?
As you know, light is electromagnetic wave. While sound is mechanical wave, Sound requires a medium to travel, and sound offers best condition for it. While light is enegry packates (photons) and solids hinder its path making it slower.
What are some nine letter words with 5th letter I and 6th letter T and 7th letter T?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 35 words with the pattern ----ITT--. That is, nine letter words with 5th letter I and 6th letter T and 7th letter T. In alphabetical order, they are: acquittal acquitted acquitter attritted babbitted babbittry bandittis bedsitter bobbitted committal committed committee committer cowritten dimwitted embrittle misfitted nitwitted outfitted outfitter outwitted permitted permittee permitter reemitted reknitted requitted rewritten submittal submitted submitter unknitted unsmitten unwritten upknitted
Why red colour reflect only red light?
No, red glass does not only reflect and transmit red light waves. It actually transmits the white light waves through the red glass creating a red glow. A transparent object generally transmits light while a solid object reflects light.
