EP PHYSICS -MOD.MASTERING (18W)
5th Edition
ISBN: 9780136782490
Author: Walker
Publisher: PEARSON CO
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Question
Chapter 30, Problem 3PCE
To determine
The most intense radiation emitted by the earth into the outer space.
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The temperature of a student's skin is 33.0°C. At what wavelength does the radiation emitted from the skin reach its peak?
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rent Attempt in Progress
Multiple-Concept Example 5 provides some pertinent background for this problem. The mean distance between earth and the sun is
1.50 x 1011 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m2. Assuming the sun
emits radiation uniformly in all directions, determine the total power radiated by the sun.
i
Textbook and Media
Which of the following is NOT an example of a real-life example or application of radiation?
A thermos will sometimes have a vacuum layer with no air or other material inside.
People who fall into icy water are given shiny, reflective blankets.
It's warmer when the lights are on in your home than when they're off.
A person Sun-bathing.
A thermos flask has a mirrored surface.
Chapter 30 Solutions
EP PHYSICS -MOD.MASTERING (18W)
Ch. 30.1 - Prob. 1EYUCh. 30.2 - Prob. 2EYUCh. 30.3 - Prob. 3EYUCh. 30.4 - Prob. 4EYUCh. 30.5 - Prob. 5EYUCh. 30.6 - Prob. 6EYUCh. 30.7 - Prob. 7EYUCh. 30 - Prob. 1CQCh. 30 - Prob. 2CQCh. 30 - Prob. 3CQ
Ch. 30 - Prob. 4CQCh. 30 - Prob. 5CQCh. 30 - Prob. 6CQCh. 30 - Prob. 7CQCh. 30 - Prob. 8CQCh. 30 - Prob. 9CQCh. 30 - Prob. 10CQCh. 30 - Prob. 1PCECh. 30 - Prob. 2PCECh. 30 - Prob. 3PCECh. 30 - The Sun has a surface temperature of about 5800 K....Ch. 30 - Prob. 5PCECh. 30 - Prob. 6PCECh. 30 - (a) By what factor does the peak frequency change...Ch. 30 - Prob. 8PCECh. 30 - Prob. 9PCECh. 30 - Prob. 10PCECh. 30 - Prob. 11PCECh. 30 - Prob. 12PCECh. 30 - Prob. 13PCECh. 30 - Prob. 14PCECh. 30 - Prob. 15PCECh. 30 - Prob. 16PCECh. 30 - Prob. 17PCECh. 30 - Prob. 18PCECh. 30 - Prob. 19PCECh. 30 - Prob. 20PCECh. 30 - Prob. 21PCECh. 30 - Prob. 22PCECh. 30 - Prob. 23PCECh. 30 - Prob. 24PCECh. 30 - Prob. 25PCECh. 30 - Prob. 26PCECh. 30 - Prob. 27PCECh. 30 - Prob. 28PCECh. 30 - Prob. 29PCECh. 30 - Prob. 30PCECh. 30 - Prob. 31PCECh. 30 - Prob. 32PCECh. 30 - Prob. 33PCECh. 30 - Prob. 34PCECh. 30 - Prob. 35PCECh. 30 - BIO Owl Vision Owls have large, sensitive eyes for...Ch. 30 - Prob. 37PCECh. 30 - Prob. 38PCECh. 30 - Prob. 39PCECh. 30 - Prob. 40PCECh. 30 - Prob. 41PCECh. 30 - Prob. 42PCECh. 30 - Prob. 43PCECh. 30 - Prob. 44PCECh. 30 - Prob. 45PCECh. 30 - Prob. 46PCECh. 30 - Prob. 47PCECh. 30 - Prob. 48PCECh. 30 - Prob. 49PCECh. 30 - Prob. 50PCECh. 30 - Prob. 51PCECh. 30 - Prob. 52PCECh. 30 - Prob. 53PCECh. 30 - Prob. 54PCECh. 30 - Prob. 55PCECh. 30 - Prob. 56PCECh. 30 - Prob. 57PCECh. 30 - Prob. 58PCECh. 30 - Prob. 59PCECh. 30 - Prob. 60PCECh. 30 - Prob. 61PCECh. 30 - Prob. 62PCECh. 30 - Prob. 63PCECh. 30 - Prob. 64PCECh. 30 - Prob. 65PCECh. 30 - Prob. 66PCECh. 30 - Prob. 67PCECh. 30 - Prob. 68PCECh. 30 - Prob. 69PCECh. 30 - Prob. 70PCECh. 30 - Prob. 71PCECh. 30 - Prob. 72PCECh. 30 - Prob. 73PCECh. 30 - Prob. 74PCECh. 30 - Prob. 75PCECh. 30 - Prob. 76PCECh. 30 - Prob. 77PCECh. 30 - Prob. 78PCECh. 30 - Prob. 79PCECh. 30 - Prob. 80GPCh. 30 - Prob. 81GPCh. 30 - Prob. 82GPCh. 30 - Prob. 83GPCh. 30 - Prob. 84GPCh. 30 - Prob. 85GPCh. 30 - Prob. 86GPCh. 30 - Prob. 87GPCh. 30 - Prob. 88GPCh. 30 - Prob. 89GPCh. 30 - Prob. 90GPCh. 30 - Prob. 91GPCh. 30 - Prob. 92GPCh. 30 - Prob. 93GPCh. 30 - Prob. 94GPCh. 30 - Prob. 95GPCh. 30 - Prob. 96GPCh. 30 - Prob. 97PPCh. 30 - Prob. 98PPCh. 30 - Prob. 99PPCh. 30 - Prob. 100PPCh. 30 - Prob. 101PPCh. 30 - Prob. 102PP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The evaporation of perspiration is the primary mechanism for cooling the human body. Estimate the amount of water you will lose when you bake in the sun on the beach for an hour. Use a value of 1 000 W/m2 for the intensity of sun-light and note that the energy required to evaporate a liquid at a particular temperature is approximately equal to the sum of the energy required to raise its temperature to the boiling point and the latent heat of vaporization (determined at the boiling point).arrow_forwardSuppose a hot object radiates with the twice the intensity as the sun on earth, i.e. 2600W/m2. What is the energy density of this radiation?arrow_forward6arrow_forward
- A second is defined as the duration o 9.19×10^9 periods of the radiation emitted by a cesium atom. Assume the radiation from the cesium atom moves at the speed of light. Calculate the wavelength of the radiation, defined as the distance travelled by it in one period. How many wavelengths of this radiation will fit in 1marrow_forwardQ2C). Evaluate the intensity of solar radiation for 27 August 2020, given solar constant (Isc) =1800 W/m2.arrow_forwardThe temperature of an object is 163°C. What is the peak wavelength (in µm) of the radiation emitted by the object at this temperature?arrow_forward
- Gamma ray radiation has wavelengths from 1.0x10 1 to LO-10"m, whereas the wavelength region for visible light is 400 to 700 We can say that: 1. The frequency of gamma ray radiation is 2. The speed of gamma ray radiation is v visible lightarrow_forwardWhat is the rate of heat transfer by radiation from the skin of a person standing in a dark room whose ambient temperature is 22 °C ? The person has a normal skin temperature of 33 °C and a surface area of 1.50 m².The emissivity of skin is 0.97 in the infrared, the part of the spectrum where the radiation takes place.arrow_forwardWhy is the radiation analysis of enclosures that consist of black surfaces relatively easy? How is the rate of radiation heat transfer between two surfaces expressed in this case?arrow_forward
- The average intensity of sunlight on Earth’s surface is about 1000 ? ?2 ⁄ a. Calculate the solar panel area if the amount of energy that falls on it in 10 hours is 3 × 1012J.b. What intensity would such sunlight have if concentrated by a magnifying glass onto an area 100 times smaller than its own?arrow_forwardQuestion 5 An example of Electromagnetic wave which is invisible to human eye is answered Marked out of O a. all electromagnetic waves P Fag question O b. all electromagnetic waves except gamma rays O c all electromagnetic waves except light waves O d. all electromagnetic waves except Radio waves Quertion 6 If the temperature of the metal surface is (7.6) K then calculate its value in Fahrenheit Not yet O a. -286.556 Marked out of O b. 259.444 P Flag question OC.473.080 O d.-445.720arrow_forwardThe emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.98 m, a width of 35.5 cm and a length of 26.5 cm. Calculate the power emitted by the human body. 1.311x10³ W You are correct. Your receipt no. is 157-4629 Previous Tries What is the wavelength of the peak in the spectral distribution for this temperature? 8.56x10^-5m Hint: Use Wien's displacement law. Submit Answer Incorrect. Tries 3/12 Previous Tries Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, so we don't lose our internal energy so quickly. How much power do we absorb when we are in a room where the temperature is 20.5 °C? 625.36W Hint: Use the Stefan-Boltzmann law again. Submit Answer Incorrect. Tries 1/12 Previous Tries How much energy does our body lose in one second? Submit Answer Tries 0/12arrow_forward
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