# (a) Interpretation: The total energy output must be calculated for the blackbody heated at 4500 K. Concept introduction: Stefan’s law essentially states that the total quantity of heat energy released by a perfect blackbody per unit area per second is directly proportional to the absolute temperature’s fourth power of its surface given by the equation- E t = α T 4 Wein’s displacement Law which states that the maximum wavelength in micrometers for the radiations of the blackbody is given by: λ m a x T = 2.90 × 10 3 Where, T = temperature in Kelvin λ m a x = maximum wavelength ### Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213 ### Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

#### Solutions

Chapter 7, Problem 7.4QAP
Interpretation Introduction

## (a)Interpretation:The total energy output must be calculated for the blackbody heated at 4500 K.Concept introduction:Stefan’s law essentially states that the total quantity of heat energy released by a perfect blackbody per unit area per second is directly proportional to the absolute temperature’s fourth power of its surface given by the equation-Et= αT4Wein’s displacement Law which states that the maximum wavelength in micrometers for the radiations of the blackbody is given by:λmaxT = 2.90×103Where,T = temperature in Kelvinλmax = maximum wavelength

Interpretation Introduction

### (b)Interpretation:The total energy output must be calculated for the blackbody heated at 2500 K.Concept introduction:Stefan’s law essentially states that the total quantity of heat energy released by a perfect blackbody per unit area per second is directly proportional to the absolute temperature’s fourth power of its surface given by the equation-Et= αT4Wein’s displacement Law which states that the maximum wavelength in micrometers for the radiations of the blackbody is given by:λmaxT = 2.90×103Where,T = temperature in Kelvinλmax = maximum wavelength

Interpretation Introduction

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