0
What else can I help you with?
What happens to radiant heat when it falls on a body what does the absorption of radiant heat by a body depend on?
When radiant heat falls on a body, it can be absorbed, reflected, or transmitted through the body. The absorption of radiant heat by a body depends on factors such as the material's surface properties, color, texture, and temperature. Materials with dark colors and matte surfaces tend to absorb more radiant heat compared to light-colored and shiny surfaces.
What happens to radiant heat when it falls on a body?
The way a body reacts to incident radiation depends upon the absorptive, reflectivity and transitivity. These are functions of the type of material and its color. For example black color metal would reflect more radiation than a black coloured plastic.
What happens to total radiation from a black body if its absolute temperature is doubled?
The total radiation emitted by a black body is proportional to the fourth power of its absolute temperature according to Stefan-Boltzmann law. Therefore, if the absolute temperature of a black body is doubled, the total radiation emitted will increase by a factor of 16.
What happens when you have a 180 f temperature?
A temperature of 180°F in the human body is considered dangerously high and can lead to heatstroke, organ damage, and even death if not treated promptly. It is crucial to lower the body temperature quickly through measures like cooling the body with ice or cold water while seeking medical help.
What is a black body and how does it relate to astronomy?
A black body is an idealized object that absorbs all radiation that falls on it and emits radiation based on its temperature. In astronomy, black bodies are used to model the radiation emitted by stars and other celestial objects, helping scientists understand their temperature and composition.
When someone dies body temperature falls at what rate?
The temperature falls 1 degree every hour
Does sympathetic stimulation cause vasodilation of which arterioles?
Sympathetic stimulation causes vasoconstriction of most arterioles in the body, except for arterioles in skeletal muscle and the heart where it causes vasodilation.
What will be your body temperature in 75 degree water?
Your body temperature will be about 98.6 degrees Fahrenheit all the time. If your temperature falls much below that, you will die of hypothermia.
When body temperature falls to extremely low levels it is called what?
Hypothermia
What are the functions of arterioles?
Arterioles are small blood vessels that carry oxygenated blood to the body tissues.
Arterioles carry blood to the heart not away from the heart?
Arteries and Arterioles carry oxygenated blood AWAY from the heart TO the body.
Are arteries the main artery in your body?
There are five types of bloods vessels: arteries, arterioles, capillaries, venules, and. Arteries distribute blood to the body and arterioles, the arterioles mostly innervate tissues and organs. Systemic arteries and arterioles hold about 13% of the bodies blood at any given time. The aorta is the largest artery in the body, it starts at the heart and ends just above the pelvis.
What happens if the body temperature falls below 37?
If your body temperature is under 36 degrees Celsius, you should call your doctor. You do not need to worry is the temperature is just under this temperature.
What happens to the body that falls at 150mph?
When a body falls at that speed, chances are great that death will result from serious injuries, like broken bones, internal injuries, and more.
What body temperature is considered hypothermia?
Hypothermia sets in when body temperature falls below 35 degrees Celsius.
What are the smallest arteries in the body called?
The smallest branch of an artery (before it enters capillary bed) is an arteriole.
What structure in the dermis help maintain the temperature?
Firstly, your sweat pores help maintain temperature by opening or closing. When your body temperature is too high, the sweat pores open and more sweat is released outside of your body, thus resulting in more evaporation of sweat and a faster cooling of your body. When your body temperature is too low, your sweat pores close and sweat production decreases to minimize heat loss. Secondly, your skin arterioles and shunt vessels help maintain your body temperature by dilation or constriction. When your body temperature is too high, your shunt vessels constrict and your skin arterioles dilate, thus causing less blood to flow into the shunt vessels and more blood to flow into the blood vessels nearer your skin and losing heat more efficiently. When your body temperature is too low, your shunt vessels dilate and your skin arterioles constrict thus causing more blood to flow into the shunt vessels and less blood to flow into the blood vessels nearer your skin and thus minimizing heat loss. Hope that helps!
