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Is getting warm by sitting near a campfire is an example of heat transfer by RADIATION?
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3 to 4 Examples and explain the transfer of of heat by radiation?
1). Toasting bread in a toaster 2). The sand on the beach being too hot to walk on while barefoot 3). Falling asleep on the beach and getting sunburned 4). Hanging your socks in front of the fireplace to dry
How Does aluminum foil prevent energy loss by radiation?
Aluminum foil is a conductor of heat energy. However, it does reflect radiation from heat sources, so it can reduce heat transfer through radiation. When aluminum foil is wrapped around something, pockets of air can be trapped. Trapped air is an excellent insulator against conduction and convection. However, if you want to prevent something like a can of soda from getting warm in your lunchbox, a wool sock will be a better insulator. Even paper toweling is better at insulating than aluminum foil when light is not shining.
What is radiation used for?
radiation is used for many things such as medicines, sterilizing foods, generalisationin electricity and heat, many industrial uses and many many more=====(such as seeing things, using the radio, watching TV, operating GPS, using acellphone, taking an X-ray of your teeth, getting a CT or MRI when you're hurt,toasting bread, getting a nice tan, taking a photo, looking at the moon, etc.)I'm going to assume that you mean ionizing radiation. Off the top of my head, major non-research uses include:- Diagnostics (e.g. medical imaging, materials inspection, etc.)- Sterilization (e.g. irradiated foods, irradiated seeds, etc.)- Sensors (e.g. smoke detectors, thickness gauges, etc.)electromagnetic radiation allows me to listen to the radio; heat radiation makes me warm at the beach; sound radiation carries your speech to me; ionizing radiation allows the sterilization of hospital supplies.
What stops heat transfer?
If heat is being transferred by conduction, separating the two objects will stop heat transfer by that means.If heat transfer is by convection, stopping the flow of fluid between two objects will eliminate that means of heat transfer. One notable way of doing that is to interpose a vacuum between the two objects.If heat transfer is by radiation, the energy has to be sent out by the source and absorbed by the sink without interruption. If that can be interrupted then that can't happen. Some ways of achieving this areplace a non-transparent barrier between the source and sink - of course if the barrier absorbs the heat and then re-radiates it out the other side you still have heat transfermake the surface of the sink perfectly reflective - in which case no energy would be absorbed and thus no heat transfer would occur. Note that getting perfect reflectivity is impossible as far as we know.separate the source and the sink an infinite distance such that attenuation of the transmitted energy would reduce it to zero. Of course we don't have infinite distance to work with so that will only work for a thought experiment.Of course in all cases if the temperatures of two objects are the same, no heat transfer will occur no matter what mode of heat transfer you are considering.
Describe three methods of heat transfer?
Conduction Convection Radiation. In case of conduction material particles would vibrate being in the same position. So no movement of material particles. Example. Heating one end of a metal rod soon makes other end also hot. In convection molecules would move and take over the heat energy. Example heating water in a container. Those molecules at the bottom would gain heat energy in the form of increasing kinetic energy. So water at the bottom becomes light and and at the top being cold it will be more denser. So dense water would come down and hot water would go up. This process would continue till the whole region gains the boiling point. So water is Bad Conductor but a good Convector In the phenomenon of radiation, no material medium is necessary. Just the heat is propagated in the form of electro magnetic waves. The best example is getting heat right from the sun just through the vacuum present in between sun and our earth
What is is an example of heat transfer by conduction?
Answer~~A pan on the stove getting hot 😁
Why is lead used in the walls of x ray rooms?
lead can stop the radiation from getting outside the room lead can stop the radiation from getting outside the room
What is the definition about thermoflask?
Thermoflask ia a pot designed to prevent heat loss from the fluid inside it, due to any of the three heat transfer mechanism (convetion, conduction or radiation). Similarly it prevents the heat from outside, from getting into the material.
If it is winter in the northern hemisphere which hemisphere is getting more of the sun's radiation?
If it is winter in the northern hemisphere, the southern hemisphere will get more of the sun's radiation.
When you are getting a suntan is conduction heat transfer taking place?
no
After getting your AS in radiology how to get your BS?
Transfer to a four-year school.
Does using honey prevent you getting ill from radiation?
A study has shown that taking honey during radiation therapy of head and neck cancers can significantly reduce mouth sores. It does not appear to be a panacea for radiation in general.
How do you write request letter for getting transfer certificate and study certificate from college MBA?
how do you write request letter for getting transfer certificate and study certificate from college in MBA
3 to 4 Examples and explain the transfer of of heat by radiation?
1). Toasting bread in a toaster 2). The sand on the beach being too hot to walk on while barefoot 3). Falling asleep on the beach and getting sunburned 4). Hanging your socks in front of the fireplace to dry
Why was getting to the moon so dangerous?
I think that getting to the moon was so dangerous because of the radiation belt and we didnt have good protection against that.
How did people die from Leukemia in World War 2?
They died from the radiation from the bomb getting in to their systym.
How do you get necromicon on AQWorlds?
It is a rare drop from Jaysun, at the Ranger Lowe Campfire Tales event. There is not much point in getting it, for all it can be used for is to sell. It serves no purpose, and, according to Artix's twitter, it never will.
