Consider a black body of surface area 20.0 cm² and temperature 5 000 K. (a) How much power does it radiate? (b) At what wavelength does it radiate most intensely? Find the spectral power per wavelength at (c) the wavelength from part b. For answer to (d-i) present your results in the form of the table below. Expect very high exponents of the order 10+1000 d) 1.00 nm (an x- or y ray), e) 5.00 nm (ultraviolet light or an x-ray), f) 400 nm (at the boundary between UV and visible light), g) 700 nm (at the boundary between visible and infrared light), h) 1.00 mm (infrared light or a microwave) 2πheA hc ehc lik gT P(1), W/m - 1 25 ik;T 1.00 nm 5.00 nm 400 nm 580 nm and i) 10.0 cm (a microwave or radio wave). j) About how much power does the object radiate as visible light? (8 points total) 700 nm 1.00 mm 10.0 cm
Consider a black body of surface area 20.0 cm² and temperature 5 000 K. (a) How much power does it radiate? (b) At what wavelength does it radiate most intensely? Find the spectral power per wavelength at (c) the wavelength from part b. For answer to (d-i) present your results in the form of the table below. Expect very high exponents of the order 10+1000 d) 1.00 nm (an x- or y ray), e) 5.00 nm (ultraviolet light or an x-ray), f) 400 nm (at the boundary between UV and visible light), g) 700 nm (at the boundary between visible and infrared light), h) 1.00 mm (infrared light or a microwave) 2πheA hc ehc lik gT P(1), W/m - 1 25 ik;T 1.00 nm 5.00 nm 400 nm 580 nm and i) 10.0 cm (a microwave or radio wave). j) About how much power does the object radiate as visible light? (8 points total) 700 nm 1.00 mm 10.0 cm
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.33P
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Transcribed Image Text:Consider a black body of surface area 20.0 cm² and temperature 5 000 K. (a) How much power does it radiate? (b) At
what wavelength does it radiate most intensely? Find the spectral power per wavelength at (c) the wavelength from
part b. For answer to (d-i) present your results in the form of the table below. Expect very high exponents of
the order 10+1000
d) 1.00 nm (an x- or y ray),
e) 5.00 nm (ultraviolet light or an x-ray),
f) 400 nm (at the boundary between UV and
visible light),
g) 700 nm (at the boundary between visible
and infrared light),
h) 1.00 mm (infrared light or a microwave)
2πheA
hc
ehc lik gT
P(1), W/m
- 1
25
ik;T
1.00 nm
5.00 nm
400 nm
580 nm
and
i) 10.0 cm (a microwave or radio wave).
j) About how much power does the object
radiate as visible light? (8 points total)
700 nm
1.00 mm
10.0 cm
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