Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 4, Problem 5QAP
To determine
Whether the statement is true or false.
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If the wavelength of the sun's ray is 0.5 micro meter (um), find its frequency. Take the speed of light as 3 x 10 m/s
a. 6 x104 Hz
O b. 15 x1012 Hz
Oc 1.67 x10-15 Hz
O d.423 x101 Hz
An FM radio station transmits at a frequency of 100 MHz. What is the wavelength of these radio waves in meters? (How do I find the wavelengths?)
16.
What is the wavelength of a light wave with a frequency of 16 GHz?
Speed of light is 300,000,000 m/s
1 GHz = 1x109 Hz or 1,000,000,000 Hz
53.3 m
18,750,000 m
0.02 m
0.3 m
Chapter 4 Solutions
Understanding Our Universe
Ch. 4.1 - Prob. 4.1CYUCh. 4.2 - Prob. 4.2CYUCh. 4.3 - Prob. 4.3CYUCh. 4 - Prob. 1QAPCh. 4 - Prob. 2QAPCh. 4 - Prob. 3QAPCh. 4 - Prob. 4QAPCh. 4 - Prob. 5QAPCh. 4 - Prob. 6QAPCh. 4 - Prob. 7QAP
Ch. 4 - Prob. 8QAPCh. 4 - Prob. 9QAPCh. 4 - Prob. 10QAPCh. 4 - Prob. 11QAPCh. 4 - Prob. 12QAPCh. 4 - Prob. 13QAPCh. 4 - Prob. 14QAPCh. 4 - Prob. 15QAPCh. 4 - Prob. 16QAPCh. 4 - Prob. 17QAPCh. 4 - Prob. 18QAPCh. 4 - Prob. 19QAPCh. 4 - Prob. 20QAPCh. 4 - Prob. 21QAPCh. 4 - Prob. 22QAPCh. 4 - Prob. 23QAPCh. 4 - Prob. 24QAPCh. 4 - Prob. 25QAPCh. 4 - Prob. 26QAPCh. 4 - Prob. 27QAPCh. 4 - Prob. 28QAPCh. 4 - Prob. 29QAPCh. 4 - Prob. 30QAPCh. 4 - Prob. 31QAPCh. 4 - Prob. 32QAPCh. 4 - Prob. 33QAPCh. 4 - Prob. 34QAPCh. 4 - Prob. 35QAPCh. 4 - Prob. 36QAPCh. 4 - Prob. 37QAPCh. 4 - Prob. 38QAPCh. 4 - Prob. 39QAPCh. 4 - Prob. 40QAPCh. 4 - Prob. 41QAPCh. 4 - Prob. 42QAPCh. 4 - Prob. 43QAPCh. 4 - Prob. 44QAPCh. 4 - Prob. 45QAP
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- How far does light travel in 1 year? [This distance, known as a light-year (ly), is used in measuring astronomical distances (Ch. 18.1).]arrow_forwardWhat distinguishes one type of electromagnetic radiation from another? What are the main categories (or bands) of the electromagnetic spectrum?arrow_forwardOrange-red light has a wavelength of about 600 nm (nanometers). What is the time required for this light to go its own wavelength through space? 2 x 10-15 seconds or 2 femtoseconds 2 x 10-12 seconds or 2 picoseconds 2 x 10-9 seconds or 2 nanoseconds 2 x 10-6 seconds or 2 microsecondsarrow_forward
- Rank the following parts of the electromagnetic spectrum from lowest to highest energy. (IR = infrared, UV = ultraviolet) %3D microwave, radio, visible, UV, X-ray radio, microwave, IR, visible, X-ray microwave, IR, visible, X-ray, UV radio, visible, IR, UV, X-ray microwave, radio, IR, UV, X-rayarrow_forwardA radio transmitter broadcasts at a frequency of 142kHz. What is the wavelength of the wave? ( speed of light in vac-uum: c = 3 × 10 8 m/s ) Calculate to 1 decimalarrow_forwardWhat is the relationship between the speed of light, frequency, and wavelength in the electromagnetic spectrum?arrow_forward
- If the wavelength of the sun's ray is 0.5 micro meter (um), find its frequency. Take the speed of light as 3 x 10 m/s a. 6 x104 Hz b. 1.5 x1012 Hz c. 1.67 x1015 Hz d. 4.23 x101 Hzarrow_forwardA particular star has a surface temperature of 30,000K. Determine Amax, the wavelength at the peak in the plot of intensity versus wavelength.arrow_forwardWhich one of the following regions has frequencies slightly greater than the visible region in the electromagnetic spectrum? (6.3) (a) radio wave (b) ultraviolet (c) infrared (d) microwavearrow_forward
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