We thoroughly check each answer to a question to provide you with the most correct answers. Found a mistake? Let us know about it through the REPORT button at the bottom of the page.
A) An FM radio station broadcasts at a frequency of 101.3 MHz. What is the wavelength (m)?
B) What is the frequency (Hz) of a sound source that produces the same wavelength in 20 C air?
Answer:
A) λ = 2.96 m
B) f = 116 Hz
Explanation
For part A)
The wavelength is calculated as:
For part B)
The speed of sound in air at 20 °C is given as 343 m/s. Hence, the frequency is calculated as:
Was this helpful?
Let us know if this was helpful. That’s the only way we can improve.