The VE3KBR transmitter near Tokyo broadcasts on a frequency of 146.940 MHz. The transmitter is broadcasting a test sound that is picked up by a nearby amateur radio. The test sound has a frequency of 1 kHz and a wavelength of 33 cm. a) What is the wavelength of the transmitter’s radio wave (in metres)? b) What is the speed of the sound wave that is coming out of the radio (in m/s)?

The VE3KBR transmitter near Tokyo broadcasts on a frequency of 146.940 MHz. The transmitter is broadcasting a test sound that is picked up by a nearby amateur radio. The test sound has a frequency of 1 kHz and a wavelength of 33 cm. a) What is the wavelength of the transmitter’s radio wave (in metres)? b) What is the speed of the sound wave that is coming out of the radio (in m/s)?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 33P: A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels...

See similar textbooks

Similar questions

An airplane moves at Mach 1.2 and produces a shock wave. (a) What is the speed of the plane in meters per second? (b) What is the angle that the shock wave moves?
A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?
= 424 m away. How long (in s) until the dolphin hears an echo? Assume the water temperature is 25°C, and While floating in the ocean, a dolphin emits a sound wave directed toward the hull of an ocean liner d the speed of sound in the water is 1,533 m/s. S
The speed of sound in air at room temperature is 343 m/s. What is the frequency of a sound wave in air with wavelength 1.71 m (in Hz)? What is the frequency of a radio wave with wavelength 1.71 m? (Radio waves are electromagnetic waves that travel at 3.00 × 108 m/s in air or in vacuum.)
2. The speed of sound in air at room temperature is 340 m/s. (a) What is the frequency of a sound wave in air with wavelength 1.6 m? (b) What is the frequency of a radio wave with the same wavelength? (Radio waves are electromagnetic waves that travel at 3.00*108 m/s in air or in vacuum.)
Sound waves travel at roughly 340 m/s at room temperature. The minimum hearing range of a human is 20Hz. a) What is the wavelength of this wave? b) Could this wavelength fit inside the dimensions of Room 411( room dimensions are roughly 11.5 m x 8.7 m)? Justify your answer with sound reasoning
and 4.00 m from the other? Ans. 4.1 rad 7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30 kHz. What frequency does the bat hear in the reflected wave? 8 The solution of travelling wave v(cos(kx - wt) is Ans. 30,888 kHz w²0²y a²y
AM radio signals are broadcast at frequencies between 550 kHz (kilohertz) and 1600 kHz and travel at 3 x 10^8 m/s. a) What is the range of wavelengths for those signals? b) FM frequencies range between 88 MHz (megahertz) and 108 MHz and travel at the the same speed. What is the range of the FM frequencies.
2. In still air, with a speed of sound, v=340.0 m /s, you are driving directly toward a flat cliff facing the direction of travel. The flat cliff reflects the sound of your horn which emits at f = 512.0Hz . You hear the reflected sound of your horn and the frequency is fr = 623.3Hz . A What is the speed of your car, v, in km / h? A
Electromagnetic waves, which include light, consist of vibrations of electric and magnetic fields, and they all travel at the speed of light, 3.00×108 m/s . Part A: Find the wavelength of an FM radio station signal broadcasting at a frequency of 104 MHz. Part B: X-rays have a wavelength of about 0.30 nm. What is their frequency? Part C: Microwaves with a wavelength of 1.2 mm, left over from soon after the Big Bang, have been detected. What is their frequency? Part D: Sunburn (and skin cancer) is caused by ultraviolet light waves having a frequency of around 1.02×10^16Hz What is their wavelength? Part E: It has been suggested that extraterrestrial civilizations (if they exist) might try to communicate by using electromagnetic waves having the same frequency as that given off by the spin flip of the electron in hydrogen, which is 1.43 GHz. To what wavelength should we tune our telescopes in order to search for such signals? Part F: Microwave ovens cook food with electromagnetic waves of…
Light travels approximately 3.0 x 10³ m/s in outer space. If yellow light from the sun has a wavelength of 5.70x10 11 m what is its frequency? Select one: a. 5.26 Hz b. o.000526 Hz c. 5.26 x10^18 Hz d. .00000526HZ
30 m from an ultrasonic sensor. The total travel time of the ultrasonic wave is 33 ms (milliseconds). What is the speed of sound in these conditions?