EBK PHYSICAL UNIVERSE
15th Edition
ISBN: 9780100255036
Author: KRAUSKOPF
Publisher: YUZU
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 7, Problem 40MC
The wavelength of sound waves having a frequency of 256 Hz compared with the wavelength of sound waves having a frequency of 512 Hz is
- a. half as great
- b. the same
- c. twice as great
- d. four times as great
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Interference of light is an evidence that:
A. Light is a longitudinal wave.
B. Light is a wave phenomenon.
C. The speed of light is very large.
D. Light is electromagnetic in character.
E. Light does not obey conservation of energy.
9. A radio station is broadcasting radio signals with a frequency of 1.023 x 108Hz. It travels through air at a speed of
2.997 x 108 m/s. Solve for the length of these radio waves.
Compared with the speed of a sound wave, a radio wave travels
A. Most often, faster.
B. Faster always in all conditions
C. About the same speed as a sound wave in the same temperature air.
D. Slower under some conditions.
Chapter 7 Solutions
EBK PHYSICAL UNIVERSE
Ch. 7 - Prob. 1MCCh. 7 - Prob. 2MCCh. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MCCh. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Six flutes playing together produce a 60-dB sound....
Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Maxwell based his theory of electromagnetic (em)...Ch. 7 - In a vacuum the speed of an em wave a. depends...Ch. 7 - Prob. 15MCCh. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Light waves a. require air or another gas to...Ch. 7 - Prob. 19MCCh. 7 - The ionosphere is a region of ionized gas in the...Ch. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Prob. 24MCCh. 7 - Prob. 25MCCh. 7 - Prob. 26MCCh. 7 - Prob. 27MCCh. 7 - Prob. 28MCCh. 7 - Prob. 29MCCh. 7 - Prob. 30MCCh. 7 - Prob. 31MCCh. 7 - Prob. 32MCCh. 7 - Prob. 33MCCh. 7 - Thin films of oil and soapy water owe their...Ch. 7 - The sky is blue because a. air molecules are blue...Ch. 7 - Diffraction refers to a. the splitting of a beam...Ch. 7 - The useful magnification of a telescope is limited...Ch. 7 - Prob. 38MCCh. 7 - The speed of sound waves having a frequency of 256...Ch. 7 - The wavelength of sound waves having a frequency...Ch. 7 - Prob. 41MCCh. 7 - Prob. 42MCCh. 7 - Prob. 43MCCh. 7 - Prob. 44MCCh. 7 - Prob. 45MCCh. 7 - (a) Distinguish between longitudinal and...Ch. 7 - Prob. 2ECh. 7 - Water waves whose crests are 6 m apart reach the...Ch. 7 - Water waves are approaching a lighthouse at a rate...Ch. 7 - At one end of a ripple tank 90 cm across, a 6-Hz...Ch. 7 - A 1.2-MHz ultrasonic beam is used to scan body...Ch. 7 - Why does sound travel fastest in solids and...Ch. 7 - The speed of sound in a gas depends upon the...Ch. 7 - Even if astronauts on the moons surface did not...Ch. 7 - What eventually becomes of the energy of sound...Ch. 7 - A person is watching as spikes are being driven to...Ch. 7 - Prob. 12ECh. 7 - Find the frequency of sound waves in air whose...Ch. 7 - Prob. 14ECh. 7 - Prob. 15ECh. 7 - A violin string vibrates 1044 times per second....Ch. 7 - Prob. 17ECh. 7 - A double star consists of two nearby stars that...Ch. 7 - The characteristic wavelengths of light emitted by...Ch. 7 - Why are light waves able to travel through a...Ch. 7 - How could you show that light carries energy?Ch. 7 - Prob. 22ECh. 7 - Prob. 23ECh. 7 - Which of the following waves cannot be polarized:...Ch. 7 - Prob. 25ECh. 7 - Prob. 26ECh. 7 - Visible light of which color has the lowest...Ch. 7 - A radar signal took 2.7 s to go to the moon and...Ch. 7 - An opera performance is being broadcast by radio....Ch. 7 - Prob. 30ECh. 7 - A nanosecond is 109 s. (a) What is the frequency...Ch. 7 - A radar sends out 0.05-s pulses of microwaves...Ch. 7 - Prob. 33ECh. 7 - Prob. 34ECh. 7 - Prob. 35ECh. 7 - Prob. 36ECh. 7 - Can the index of refraction of a substance be less...Ch. 7 - Prob. 38ECh. 7 - When a fish looks up through the water surface at...Ch. 7 - A flashlight at the bottom of a swimming pool...Ch. 7 - Prob. 41ECh. 7 - The olive in a cocktail (n = 1.35) seems to be 30...Ch. 7 - Prob. 43ECh. 7 - Prob. 44ECh. 7 - What is the difference between a real image and a...Ch. 7 - A coin is placed at a focal point of a converging...Ch. 7 - Prob. 47ECh. 7 - Prob. 48ECh. 7 - Prob. 49ECh. 7 - Prob. 50ECh. 7 - Prob. 51ECh. 7 - Prob. 52ECh. 7 - Prob. 53ECh. 7 - The candle of Exercise 53 is 15 cm from the lens....Ch. 7 - Prob. 55ECh. 7 - Prob. 56ECh. 7 - Prob. 57ECh. 7 - Prob. 58ECh. 7 - (a) What is the name of the defect of vision in...Ch. 7 - Prob. 60ECh. 7 - When white light is dispersed by a glass prism,...Ch. 7 - Prob. 62ECh. 7 - Prob. 63ECh. 7 - If the earth had no atmosphere, what would the...Ch. 7 - Prob. 65ECh. 7 - Prob. 66ECh. 7 - Prob. 67ECh. 7 - Prob. 68ECh. 7 - Radio waves are able to diffract readily around...Ch. 7 - A radar operating at a wavelength of 3 cm is to...Ch. 7 - Prob. 71ECh. 7 - At night the pupils of a certain womans eyes are 8...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A sound wave propagates in air at 27C with frequency 4.00 kHz. It passes through a region where the temperature gradually changes and then moves through air at 0C. Give numerical answers to the following questions to the extent possible and state your reasoning about what happens to the wave physically. (a) What happens to the speed of the wave? (b) What happens to its frequency? (c) What happens to its wavelength?arrow_forwardWhat frequency sound has a 0.10m wavelength when the speed of sound is 340 m/s?arrow_forwardWhat frequency is received by a mouse just before being dispatched by a hawk flying at it at 25.0 m/s and emitting a screech of frequency 3500 Hz? Take the Speed of sound to be 331 m/s.arrow_forward
- An astronomer measures the speed of recession of a remote galaxy to be 365 km/s using the Doppler principle According to the Hubble relation, about how far away is the galaxy?arrow_forward_____6. AM A. 10 Hz _____7. Audible waves B. Apparent change in frequency _____8. Rarefactions C. Distance between adjacent waves _____9. Buzzing mosquito D. Highest frequency _____10. Ultrasonic waves E. Thermal imaging _____11. UV waves F. 10 000 Hz _____12. Visible light G. Amplitude modulation _____13. Microwaves H. Longest wavelength _____14. FM I. λ = 400 nm to 700 nm _____15. Infrasonic waves J. Compressed region _____16. Radio waves K. Heating food products _____17. Gamma waves L. 40 dB _____18. Infrared waves M. Frequency modulation _____19. Doppler effect N. Low-pressure regions _____20. Wavelength O. Associated to skin cancer P. 25 000 Hzarrow_forwardWhich wavelength corresponds to the highest frequency? A. 1,000 cm B. 100 cm C. 10 cm D. 1 cmarrow_forward
- 12. Two waves travel at the same speed. The frequency of wave A is 1000 Hz, and the frequency of wave B is 4000 Hz. Wavelength A is A. one-quarter the length of wavelength B.B. one-half the length of wavelength B.C. equal to the length of wavelength B.D. four times the length of wavelength B.arrow_forwarda. Violet light has a higher frequency and shorter wavelength than red light. b. Violet light has a lower frequency and shorter wavelength than red light.c. Violet light has a higher frequency and longer wavelength than red light. d. Violet light has a lower frequency and longer wavelength than red light.arrow_forwardIn classical physics, one type of wave, called a plane wave, is represented mathematically as: V(r, t) = Ae(kr-wt). What is true about the vector k? I. It's magnitude is directly proportional to wavelength. II. It points in the direction of the wave propagation. II. It's magnitude is inversely proportional to the speed of wave. O I and III. I. O II. and III. O II.arrow_forward
- 1. is in which particles of the medium vibrate perpendicularly to the direction of wave propagation. a. transverse b. longitudinal c. infrared rays d. gamma rays 2. Refraction refers to a. change in speed of light when it comes from one medium to another b. turning back of the light to the original medium from where it has been traveling after hitting a surface c. as a wave which includes scattering, diffraction, polarization, dispersion, transmission, and absorption of light d. When light speeds up in passing from one medium to another, it is bounced from the normal. When light speeds up, it is bounced towards the normalarrow_forward9. Determine the difference in the wavelength of a 440HZ sound wave travelling through air at 22°C, and fresh water. The speed of sound in fresh water is 1550m/s.arrow_forward8. The equation below shows the relationship of certain variables to the intensity of a sinusoidal wave in fluids, what quantity is represented by the symbol ρ? a. displacement amplitude b. angular frequency c. fluid density d. bulk modulus of fluid 22. Where should electric charges be in a conductor? a. They must reside entirely on the surface of the conductor. b. They must reside entirely within the conductor. c. They must reside outside the conductor. d. Some of the charges may exist inisde and on the surface of the conductor. 23. What is the relationship between the electric field of a point charge and the electrical force being exerted? a. They are inversely proportional b. They are directly proportional c. They are directly-squared proportional. d. They are inversely-squared proportional.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Supersonic Speed and Shock Waves; Author: AK LECTURES;https://www.youtube.com/watch?v=HfSSi3KJZB0;License: Standard YouTube License, CC-BY