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7. What is the relation between temperature and intensity of black body radiation? 8. What is...
8. Compute the ratio of the increase of intensity of black-body radiation at a wavelength of...
8. Compute the ratio of the increase of intensity of black-body radiation at a wavelength of 641 nm for an increase of temperature from 1200 to 1500 K
8. A black body has an effective surface temperature of 450°C. Determine: (a) The total radiation...
8. A black body has an effective surface temperature of 450°C. Determine: (a) The total radiation energy (W/m²) that can be emitted by the black body (b) Determine total radiation energy (W/m²) that can be emitted by the black body within the 5-50 um wavelength region (c) The spectral blackbody emissive power of the black body at a wavelength of 10 um.
An oven (considered to be a black body) is at 6000K. a) What is the EM intensity of the oven betw...
An oven (considered to be a black body) is at 6000K. a) What is the EM intensity of the oven between the wavelengths of 550nm and 551nm? (Hint: us the average wavelength for .) b) Find the number of photons of this radiation escaping per second through a tiny hole in the oven of radius 0.025mm. (Hint: first find the # of J/sec escaping.)
8. IE (a) If you have a fever, will the wavelength of the radiation component of...
8. IE (a) If you have a fever, will the wavelength of the radiation component of maximum intensity emitted by your body (1) increase, (2) remain the same, or (3) decrease as compared with its value when your temperature is normal? Why? (b) Assume that human skin has a temperature of 32°C. What is the wavelength of the radiation component of maximum intensity emitted by our bodies? In what region of the EM spectrum is this wavelength?
The energy radiated per unit surface area (across all wavelengths) for a black body with temperature...
The energy radiated per unit surface area (across all wavelengths) for a black body with temperature 2200. Use 5.67 x 10-8 for the Stefan-Boltzmann constant. The Stefan-Boltzmann Law describes the power radiated from a black body in terms of its temperature. Specifically, the total energy radiated per unit surface area of a black body across all wavelengths per unit time is proportional to the fourth power of the black body's thermodynamic temperature
Number three please The temperature of a student's skin is 33.0 degree C. At what wavelength...
Number three please
The temperature of a student's skin is 33.0 degree C. At what wavelength does the radiation emitted from the skin reach its peak? The radius of our Sun is 6.96 times 10^8 m, and its total power output is 3.85 times 10^26 W. (a) Assuming the Sun's surface emits as a black body, calculate its surface temperature. (b) Using the result of part (a), find lambda_max for the Sun. Calculate the energy in electron volts of a...
7. Which particulate form of radiation is sometimes referred to as a "delta (8)"ray when it...
7. Which particulate form of radiation is sometimes referred to as a "delta (8)"ray when it originates as a secondary particle from the absorbing medium? A. Electron B. Alpha particle C. Neutron D. Positron 8. In general, the the energy per individual photon, the shorter the wavelength is for a particular form of electromagnetic radiation. A. Lower B. Higher C. Slower D. Faster 9. The statement, "A body will remain at rest or will continue to move with constant velocity...
please answer all. How body maintain blood glucose? What is diabetes? List the difference between type...
please answer all.
How body maintain blood glucose? What is diabetes? List the difference between type 1 and type 2 Diabetes. Explain why alcohol is considered a toxin? What are the major negative health and social implications of alcohol consumption? Discuss Iron deficiency symptoms in general and specifically in school going children, pregnant women Types of vitamin A, their functions in maintaining health and their sources 6. 7. 8. 9. 10. What is cholesterol? What are its role in our...
7. Within the cell the most important critical target molecule for producing radiation damage that is...
7. Within the cell the most important critical target molecule for producing radiation damage that is lethal or mutagenic to cells is 8 & 9.For any type of imaging using ionizing forms of radiation, in general as the speed of image reception and diagnostic quality of the image necessitating a balance be maintained between exposure and diagnostic quality increases the amount of radiation exposure requirements. Act of 1990 requires the reporting of accidents due to malfunction from 10. The FDA...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the Celsius temperature scale? Which is better at transferring heat, water or air? How does this fact explain the length of time it takes the temperature probe to reach thermal equilibrium with the air or water it is in? 2. 3. What effect does the evaporation of water have on the object from which it is evaporating? When has your body experienced this effect? 4....
8. Compute the ratio of the increase of intensity of black-body radiation at a wavelength of 641 nm for an increase of temperature from 1200 to 1500 K
8. A black body has an effective surface temperature of 450°C. Determine: (a) The total radiation energy (W/m²) that can be emitted by the black body (b) Determine total radiation energy (W/m²) that can be emitted by the black body within the 5-50 um wavelength region (c) The spectral blackbody emissive power of the black body at a wavelength of 10 um.
8. IE (a) If you have a fever, will the wavelength of the radiation component of maximum intensity emitted by your body (1) increase, (2) remain the same, or (3) decrease as compared with its value when your temperature is normal? Why? (b) Assume that human skin has a temperature of 32°C. What is the wavelength of the radiation component of maximum intensity emitted by our bodies? In what region of the EM spectrum is this wavelength?
Number three please
The temperature of a student's skin is 33.0 degree C. At what wavelength does the radiation emitted from the skin reach its peak? The radius of our Sun is 6.96 times 10^8 m, and its total power output is 3.85 times 10^26 W. (a) Assuming the Sun's surface emits as a black body, calculate its surface temperature. (b) Using the result of part (a), find lambda_max for the Sun. Calculate the energy in electron volts of a...
7. Which particulate form of radiation is sometimes referred to as a "delta (8)"ray when it originates as a secondary particle from the absorbing medium? A. Electron B. Alpha particle C. Neutron D. Positron 8. In general, the the energy per individual photon, the shorter the wavelength is for a particular form of electromagnetic radiation. A. Lower B. Higher C. Slower D. Faster 9. The statement, "A body will remain at rest or will continue to move with constant velocity...
please answer all.
How body maintain blood glucose? What is diabetes? List the difference between type 1 and type 2 Diabetes. Explain why alcohol is considered a toxin? What are the major negative health and social implications of alcohol consumption? Discuss Iron deficiency symptoms in general and specifically in school going children, pregnant women Types of vitamin A, their functions in maintaining health and their sources 6. 7. 8. 9. 10. What is cholesterol? What are its role in our...
7. Within the cell the most important critical target molecule for producing radiation damage that is lethal or mutagenic to cells is 8 & 9.For any type of imaging using ionizing forms of radiation, in general as the speed of image reception and diagnostic quality of the image necessitating a balance be maintained between exposure and diagnostic quality increases the amount of radiation exposure requirements. Act of 1990 requires the reporting of accidents due to malfunction from 10. The FDA...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the Celsius temperature scale? Which is better at transferring heat, water or air? How does this fact explain the length of time it takes the temperature probe to reach thermal equilibrium with the air or water it is in? 2. 3. What effect does the evaporation of water have on the object from which it is evaporating? When has your body experienced this effect? 4....
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