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How do we sense most infrared waves?
Infra red is sensed as heat on the skin.
If you stand ten feet away from a large campfire heat is transferred to your skin how does this happen?
electromagnetic waves carry heat from the fire to your body
Radiation emitted from human skin reaches its peak at λ equals 940 µm how much energy is carried by one quantum of these electromagnetic waves?
Heat waves, or infrared radiation.
Which type of energy cause sunburn?
Do you mean 'Which electromagnetic wave in the electromagnetic spectrum causes sunburn? The answer is Ultraviolet (UV), which is what is used in sunbeds and therefore damages and colours your skin cells.
What does ultraviolet rays and infrared rays have in common?
Infrared (IR) light, visible light and X-rays are all electromagnetic radiation, and the only difference is in the frequency (or wavelength) of the energy. They are listed here in the question in order of lower to higher frequency, and that means longer to shorter wavelength.
How do we sense most infrared waves?
Infra red is sensed as heat on the skin.
If you stand ten feet away from a large campfire heat is transferred to your skin how does this happen?
electromagnetic waves carry heat from the fire to your body
Radiation emitted from human skin reaches its peak at λ equals 940 µm how much energy is carried by one quantum of these electromagnetic waves?
Heat waves, or infrared radiation.
What are the dangers of being in contact with electromagnetic waves from the electromagnetic spectrum Like gamma rays and radio waves and x-rays?
the contact yo this radiations may cause skin cancer and even death.
What can electromagnet waves travel through?
they travel through virtually anything. for example electromagnetic waves travel through our skin, our hair, anything.
What prevents the sun's ultraviolet rays from penetrating the interior of the body?
Ultraviolet rays are very short wavelength waves above even the blue waves in the electromagnetic spectrum. They are responsible for sunburns on the skin, but are stopped by the skin. When compared with the longer infrared (heat)waves below the red waves in the same spectrum which can easily penetrate the skin and physically cook the entire body given sufficient time.
How does Heat from sun reaches you by?
By traveling through space as electromagnetic radiation. The sun is actually 93 million miles away. And since light travels at 186,000 miles per second, by the time the heat (infrared radiation), ultraviolet radiation, visible light, and other forms of electromagnetic radiation strike your skin, they have traveled almost eight and a half minutes across empty space.
What do you really feel when the sun is beating down on you?
You are feeling the infra-red radiation emitted from the Sun hitting your skin and the chemical bonds (mainly the Oxygen-Hydrogen bonds and the Nitrogen-Hydrogen bonds) that make up proteins in your skin adsorbing this radiation. They adsorb it by transforming the electromagnetic wave (very similar to visible light waves) into vibrational energy. The bonds vibrate like springs and you feel this as heat on your skin. You cannot feel the UV waves because although your skin is adsorbing a little bit it it does not transform into heat as easily as Infra red.
Why does your hand feel cool if you spill alcohol?
The alcohol removes heat from your hand. This is used to evaporate the liquid.
Which type of energy cause sunburn?
Do you mean 'Which electromagnetic wave in the electromagnetic spectrum causes sunburn? The answer is Ultraviolet (UV), which is what is used in sunbeds and therefore damages and colours your skin cells.
Why is a x-ray machine a form of electromagnetic energy?
It is a form of electromagnetic energy because it uses special light rays to see through your skin/body to see your bones. It's heat and light is what makes it an excellent example of electromagnetic energy.
Is skin electromagnetic?
Yes
