Science

ChemistryPrinciples of Instrumental Analysis(a) Interpretation: The wavelength of maximum emission of a tungsten filament bulb at 2870 K and 3750 K needs to be calculated. Introduction: The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows: Λ m a x T = 2.90 × 10 3 Here, T is defined as the temperature in Kelvin as it is absolute temperature. Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect blackbody is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation: E t = aT 4 Where a has a value of 5.69 × 10 − 8 Wm -2 K -4Start your trial now! First week only $4.99!*arrow_forward*

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7th Edition

Douglas A. Skoog + 2 others

Publisher: Cengage Learning

ISBN: 9781305577213

Chapter 7, Problem 7.5QAP

Interpretation Introduction

**(a)**

**Interpretation:**

The wavelength of maximum emission of a tungsten filament bulb at 2870 K and 3750 K needs to be calculated.

**Introduction:**

The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows:

Here, T is defined as the temperature in Kelvin as it is absolute temperature.

Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect blackbody is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation:

E_{t} = aT^{4}

Where a has a value of

Interpretation Introduction

**(b)**

**Interpretation:**

The total energy output of the bulb in terms of W/m^{3} needs to be determined.

**Concept introduction:**

The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows:

Here, T is defined as the temperature in Kelvin as it is absolute temperature.

Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect black body is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation:

E_{t} = aT^{4}

Where a has a value of