a. Explanation Given data: Frequency of the radio wave is 101.3 MHz. Formula used: Write the expression for wavelength. λ = v f (1) Here, λ is the wavelength, v is the speed, and f is the frequency Explanation: Radio waves are electromagnetic waves. Therefore, they travel with the speed of light ( c ) that is 3 × 10 8 m s . Substitute 3 × 10 8 m s for v and 101.3 MHz for f in Equation (1), λ = 3 × 10 8 m s 101.3 MHz = 3 × 10 8 m s 101 b. To determine The frequency of sound source in 20 ° C air.

College Physics: A Strategic Approach Technology Update, Books a la Carte Plus Mastering Physics with Pearson eText -- Access Card Package (3rd Edition)

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ISBN: 9780134201979

Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

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Chapter 15, Problem 28P

To determine

The wavelength of the radio waves.

To determine

The frequency of sound source in 20°C air.

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Chapter 15, Problem 27P

Chapter 15, Problem 29P

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Chapter 15 Solutions

College Physics: A Strategic Approach Technology Update, Books a la Carte Plus Mastering Physics with Pearson eText -- Access Card Package (3rd Edition)

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The wavelength of the radio waves.

Solution Summary: The author explains the wavelength of the radio waves of an FM broadcast channel is 2.96 m. The frequency of sound source in the air is 116 Hz.

The wavelength of the radio waves.

The frequency of sound source in 20°C air.

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Chapter 15 Solutions