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Who emits more radiation a white body or a black body?
A black body emits more radiation than a white body. A black body absorbs all radiation that falls on it and re-emits it as thermal radiation, making it an ideal emitter. On the other hand, a white body reflects most radiation and thus emits less overall.
Why is Ice a black body?
It's not. The term "black body" is used to describe a hypothetical perfectly black object that reflects no light at all .here the light refers to entire electromagnetic spectrum. Although the emissivity of ice is near about 0.95 hence it behaves more as black body (emmisivity = 1) than a white body. The reason is for ice to be near about black body is that ice is a very good absorber of radiation outside the visible region (eg for infrared rays ) . Hence ice is more a black body than a white body (as in appearance ).
Why are white clothes cooler than black?
White clothes reflect more light and heat away from the body, while black clothes absorb more light and heat. This makes white clothes cooler to wear because they help to keep the body temperature lower by reflecting heat.
Why does amount of black body radiation emitted depend on temperature of object?
The hotter an object gets the faster its atoms vibrate.Vibration can be considered as a repeating cycle of accelerating, decelerating and then accelerating back again in the other direction.Accelerating charges radiate energyHence, vibrating atoms radiate energyHotter atoms vibrate more quickly so do more accelerating, so they emit more radiation!
What materials radiate heat?
All materials radiate heat equivalent to their temperature above absolute zero.This heat is called "black body" radiation. When the peak of the "black body" radiation from a material is in the infrared band we perceive it as heat, but the radiation is always radiant heat regardless of whether it peak is in the radio band, infrared band, visible band, ultraviolet band, x-ray band, etc.
Another name for black and white cat?
Socks (is it has white paws and the rest of its body is black)
What is a black and white sheep?
There are many black and white sheep. Such as the suffolk or hampshires. which have black heads and legs but a white body/wool.There are also Jacob which are piebald (black and white spotted).
What is the name of the small bird with a black head and white body?
The small bird with a black head and white body is called a pied wagtail.
What north American bird has a white body and black head?
1. The black and white crested grebe. 2. The black and white water tern.
Which color does the zebras stripes start with black or white?
if your asking "is a zebra white with black stripes or black with white?" im pretty sure they are white with black because their bellys are all white so the white is the color of the body and then there are black stripes on it.
What is a skunk body color?
black and white
If an object is black what does it absorb?
A black body absorbs most of the light that falls on it. A perfect black body will absorb all of the light but will radiate electromagnetic energy according to it's temperature according to plank's law. This is why we call a black hole a BLACK hole. It absorbs EVERYTHING which falls into it and not even light can escape.
A cow that has a white face and a black body is called?
Black Baldy
What kind of bird has a red head, white neck, and black body?
The bird with a red head, white neck, and black body is a red-headed woodpecker.
What kind of spider has white and black banded legs a white body?
Could that be an immature black widow male?
What whooping cranes look like?
They have red and black head, white neck, white body, black and white wings, and orange feet.
What kind of bird has black body white belly and a red bib?
Red head and black body bird
