Essential Cosmic Perspective
9th Edition
ISBN: 9780135795033
Author: Bennett
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 1EAP
Define wavelength, frequency, and speed for light waves. If light has a long wavelength, what can you say about its frequency? Explain.
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I. MULTIPLE CHOICE. Read the following items carefully. Write the letter of the BEST
answer on the space provided before each number. Use CAPITAL letters.
_1. Televisions (TV) are a common appliance in many households. The frequency
of the TV is on the order of 108 Hz. The wavelengths of the TV are on the order of which
of the following?
A. kilometers
B. meters
C. centimeters
D. micrometers
2. The wavelength of the radio with a frequency of 104 Hz is on the order of which
of the following:
A. kilometers
B. meters
C. centimeters
D. micrometers
3. Speed of sound in air is a function of which of the following?
A. wavelength
B. frequency
C. temperature
D. amplitude
4. The unit of sound intensity level is:
C. watts
A. decibels
B. hertz
D. m/s
5. A Volkswagen car is approaching a stationary student. For the student, the
apparent frequency of the horn in comparison to the actual frequency of the horn:
A. decreases
C. resonates
B. increases
E. increases or decreases
D. stays the same
Is light a wave phenomenon? Explain.
Why is it not possible for the human eye to see the frequencies of infrared light? Explain.
Why is it possible to see colors? Explain.
Mention and explain an everyday phenomenon in which the dispersion of light can be observed.
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Chapter 5 Solutions
Essential Cosmic Perspective
Ch. 5 - Prob. 1VSCCh. 5 - Prob. 2VSCCh. 5 - Prob. 3VSCCh. 5 - Prob. 4VSCCh. 5 - Prob. 5VSCCh. 5 - Define wavelength, frequency, and speed for light...Ch. 5 - Prob. 2EAPCh. 5 - Prob. 3EAPCh. 5 - Prob. 4EAPCh. 5 - Prob. 5EAP
Ch. 5 - What is electrical charge? Will an electron and a...Ch. 5 - Prob. 7EAPCh. 5 - Prob. 8EAPCh. 5 - Prob. 9EAPCh. 5 - Prob. 10EAPCh. 5 - Describe the Doppler effect for light and what we...Ch. 5 - Prob. 12EAPCh. 5 - Prob. 13EAPCh. 5 - Prob. 14EAPCh. 5 - Prob. 15EAPCh. 5 - Prob. 16EAPCh. 5 - Prob. 17EAPCh. 5 - Prob. 18EAPCh. 5 - Prob. 19EAPCh. 5 - Prob. 20EAPCh. 5 - Decide whether the statement makes sense (or is...Ch. 5 - Prob. 22EAPCh. 5 - Prob. 23EAPCh. 5 - Prob. 24EAPCh. 5 - Why is a sunflower yellow? (a) It emits yellow...Ch. 5 - Compared to red light, blue light has higher...Ch. 5 - Radio waves are (a) a form of sound. (b) a form of...Ch. 5 - Prob. 28EAPCh. 5 - Prob. 29EAPCh. 5 - Prob. 30EAPCh. 5 - Prob. 31EAPCh. 5 - A spectral line that appears at a wavelength of...Ch. 5 - Prob. 33EAPCh. 5 - Prob. 34EAPCh. 5 - A Telescope Near You. For your current residence,...Ch. 5 - Prob. 38EAPCh. 5 - The Changing Limitations of Science. Review the...Ch. 5 - Prob. 40EAPCh. 5 - Group Activity: Which Telescope? You represent a...Ch. 5 - Prob. 42EAPCh. 5 - Atomic Terminology Practice II. a. What are the...Ch. 5 - Prob. 44EAPCh. 5 - Orion Nebula. Viewed through a telescope, much of...Ch. 5 - Prob. 46EAPCh. 5 - Prob. 47EAPCh. 5 - Prob. 48EAPCh. 5 - Prob. 49EAPCh. 5 - Prob. 50EAPCh. 5 - Prob. 51EAPCh. 5 - Prob. 53EAPCh. 5 - Prob. 54EAPCh. 5 - Prob. 55EAPCh. 5 - Prob. 56EAP
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- Sakalam, a light-emitting device, requires 10,068.68 ZW (Zeptowatt) of power every 500 milliseconds (ms). The energy of light being produced by Sakalam is equal to the amount of energy required to run the device at the given time. Refer to the given tables for the useful relations, necessary constants and definitions of variables, and colors corresponding to wavelengths of visible light. a. How much energy (in Joules) is equivalent to the power required by Sakalam at the given time? b. What is the wavelength of light (in nanometers, nm) being produced by Sakalam? c. What is the color of the light being produced by Sakalam?arrow_forward3. A radio station transmits radio waves that has a frequency (v) of 89.5 MHz (megahertz). (A) What is the wavelength (2) of these radio waves in units of meters (m)? I Hints: There is a unit conversion involved in the problem for 'megahertz' to Hertz. Which equation from Chapter 5 should we use to solve for the wavelength here? What is the value of the speed of light (c)? Show work for each step. Include units and observe proper sig figs and rounding in your answer. (B) Calculate the energy (Ephoton) of a single photon of these radio waves in units of Joules. Hints: Which equation from Chapter 5 should we use here? What is the value of the Planck's constant (h)? Show work for each step. Include units and observe proper sig figs and rounding in your answer.arrow_forwardThe electromagnetic spectrum contains more than just the visible light you see. 1. Explain where infrared and ultraviolet light fall on the spectrum, according to their frequencies. 2. Name one other form of energy that is in the electromagnetic spectrum.arrow_forward
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