CHEM:ATOM FOC 2E CL (TEXT)
CHEM:ATOM FOC 2E CL (TEXT)
2nd Edition
ISBN: 9780393284218
Author: Stacey Lowery Bretz, Natalie Foster, Thomas R. Gilbert, Rein V. Kirss
Publisher: WW Norton & Co
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Chapter 3, Problem 3.21QA
Interpretation Introduction

To calculate:

the wavelengths (λ) corresponding to the broadcast frequencies (ν) of the following radio stations: a. KRNU (Lincoln, NE), 90.3 MHz b. WBEU (Providence, RI), 95.5 MHz c. WYLD (New Orleans, LA), 98.5 MHz d. WAAF (Boston, MA), 107.3 MHZ

Expert Solution & Answer
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Answer to Problem 3.21QA

Solution:

The wavelengths (λ) corresponding to the broadcast frequencies (ν) of the following radio stations:

a) KRNU (Lincoln, NE), 90.3 MHz is 3.32 m

b) WBEU (Providence, RI), 95.5 MHz is 3.14 m

c) WYLD (New Orleans, LA), 98.5 MHz is 3.04 m

d) WAAF (Boston, MA), 107.3 MHz is 2.79 m

Explanation of Solution

1) Concept: Wavelength and frequency are related each other by speed of light. Speed of light is the product of wavelength and frequency of electromagnetic wave. Thus got the above formula to calculate the wavelength.

2) Formula:

λ=Cν

3) Given information: The broadcast frequencies (ν) of the following radio stations:

i. KRNU (Lincoln, NE), 90.3 MHz

ii. WBEU (Providence, RI), 95.5 MHz

iii. WYLD (New Orleans, LA), 98.5 MHz

iv. WAAF (Boston, MA), 107.3 MHZ.

Conversion factor: 1 MHz=1×106 Hz, Speed of light=2.998×108 m per s

4) Calculations:

Conversion of all given frequency from MHz to Hz. Hz is also same as per second.

a) 90.3 MHz ×1×106 Hz1 MHz=9.03× 107 Hz

b) 95.5 MHz ×1×106 Hz1 MHz=9.55× 107 Hz

c) 98.5 MHz ×1×106 Hz1 MHz=9.85× 107 Hz

d) 107.3 MHz ×1×106 Hz1 MHz=1.073× 108 Hz

Wavelength calculation:

a) λ=2.998×108ms9.03× 107 Hz=3.32 m

b) λ=2.998×108ms9.55× 107 Hz=3.14 m

c) λ=2.998×108ms9.85× 107 Hz=3.04 m

d) λ=2.998×108ms1.073× 108 Hz=2.79 m

Conclusion: The wavelengths of electromagnetic radiation is related to its frequency trough the speed of light. The corresponding to the broadcast frequencies of the listed stations are:

a) KRNU (Lincoln, NE), 90.3 MHz is 3.32 m

b) WBEU (Providence, RI), 95.5 MHz is 3.14 m

c) WYLD (New Orleans, LA), 98.5 MHz is 3.04 m

d) WAAF (Boston, MA), 107.3 MHz is 2.79 m

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Chapter 3 Solutions

CHEM:ATOM FOC 2E CL (TEXT)

Ch. 3 - Prob. 3.11VPCh. 3 - Prob. 3.12VPCh. 3 - Prob. 3.13QACh. 3 - Prob. 3.14QACh. 3 - Prob. 3.15QACh. 3 - Prob. 3.16QACh. 3 - Prob. 3.17QACh. 3 - Prob. 3.18QACh. 3 - Prob. 3.19QACh. 3 - Prob. 3.20QACh. 3 - Prob. 3.21QACh. 3 - Prob. 3.22QACh. 3 - Prob. 3.23QACh. 3 - Prob. 3.24QACh. 3 - Prob. 3.25QACh. 3 - Prob. 3.26QACh. 3 - Prob. 3.27QACh. 3 - Prob. 3.28QACh. 3 - Prob. 3.29QACh. 3 - Prob. 3.30QACh. 3 - Prob. 3.31QACh. 3 - Prob. 3.32QACh. 3 - Prob. 3.33QACh. 3 - Prob. 3.34QACh. 3 - Prob. 3.35QACh. 3 - Prob. 3.36QACh. 3 - Prob. 3.37QACh. 3 - Prob. 3.38QACh. 3 - Prob. 3.39QACh. 3 - Prob. 3.40QACh. 3 - Prob. 3.41QACh. 3 - Prob. 3.42QACh. 3 - Prob. 3.43QACh. 3 - Prob. 3.44QACh. 3 - Prob. 3.45QACh. 3 - Prob. 3.46QACh. 3 - Prob. 3.47QACh. 3 - Prob. 3.48QACh. 3 - Prob. 3.49QACh. 3 - Prob. 3.50QACh. 3 - Prob. 3.51QACh. 3 - Prob. 3.52QACh. 3 - Prob. 3.53QACh. 3 - Prob. 3.54QACh. 3 - Prob. 3.55QACh. 3 - Prob. 3.56QACh. 3 - Prob. 3.57QACh. 3 - Prob. 3.58QACh. 3 - Prob. 3.59QACh. 3 - Prob. 3.60QACh. 3 - Prob. 3.61QACh. 3 - Prob. 3.62QACh. 3 - Prob. 3.63QACh. 3 - Prob. 3.64QACh. 3 - Prob. 3.65QACh. 3 - Prob. 3.66QACh. 3 - Prob. 3.67QACh. 3 - Prob. 3.68QACh. 3 - Prob. 3.69QACh. 3 - Prob. 3.70QACh. 3 - Prob. 3.71QACh. 3 - Prob. 3.72QACh. 3 - Prob. 3.73QACh. 3 - Prob. 3.74QACh. 3 - Prob. 3.75QACh. 3 - Prob. 3.76QACh. 3 - Prob. 3.77QACh. 3 - Prob. 3.78QACh. 3 - Prob. 3.79QACh. 3 - Prob. 3.80QACh. 3 - Prob. 3.81QACh. 3 - Prob. 3.82QACh. 3 - Prob. 3.83QACh. 3 - Prob. 3.84QACh. 3 - Prob. 3.85QACh. 3 - Prob. 3.86QACh. 3 - Prob. 3.87QACh. 3 - Prob. 3.88QACh. 3 - Prob. 3.89QACh. 3 - Prob. 3.90QACh. 3 - Prob. 3.91QACh. 3 - Prob. 3.92QACh. 3 - Prob. 3.93QACh. 3 - Prob. 3.94QACh. 3 - Prob. 3.95QACh. 3 - Prob. 3.96QACh. 3 - Prob. 3.97QACh. 3 - Prob. 3.98QACh. 3 - Prob. 3.99QACh. 3 - Prob. 3.100QACh. 3 - Prob. 3.101QACh. 3 - Prob. 3.102QACh. 3 - Prob. 3.103QACh. 3 - Prob. 3.104QACh. 3 - Prob. 3.105QACh. 3 - Prob. 3.106QACh. 3 - Prob. 3.107QACh. 3 - Prob. 3.108QACh. 3 - Prob. 3.109QACh. 3 - Prob. 3.110QACh. 3 - Prob. 3.111QACh. 3 - Prob. 3.112QACh. 3 - Prob. 3.113QACh. 3 - Prob. 3.114QACh. 3 - Prob. 3.115QACh. 3 - Prob. 3.116QACh. 3 - Prob. 3.117QACh. 3 - Prob. 3.118QACh. 3 - Prob. 3.119QACh. 3 - Prob. 3.120QACh. 3 - Prob. 3.121QACh. 3 - Prob. 3.122QACh. 3 - Prob. 3.123QACh. 3 - Prob. 3.124QACh. 3 - Prob. 3.125QACh. 3 - Prob. 3.126QACh. 3 - Prob. 3.127QACh. 3 - Prob. 3.128QACh. 3 - Prob. 3.129QACh. 3 - Prob. 3.130QACh. 3 - Prob. 3.131QACh. 3 - Prob. 3.132QACh. 3 - Prob. 3.133QACh. 3 - Prob. 3.134QA
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