College Physics
3rd Edition
ISBN: 9780134143323
Author: Knight, Randall Dewey, Jones, Brian, Field, Stuart
Publisher: Pearson,
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Chapter 16, Problem 1CQ
To determine
Explain the reason behind the cause of reflection at the surface of lake and different
Expert Solution & Answer
Answer to Problem 1CQ
The speed of light in water is less than the speed of light in air. A part of light is reflected at the water – air interface.
Explanation of Solution
Write the expression for speed of light in another medium.
Here,
When the light falls at the surface of lake, it gets partially reflected and partially refracted because the surface of a lake is partially shiny.
The light, when incident on top surface of lake, gets reflected back in the air due to which the reflected light has same velocity as that of the incident light because the light is reflected back in same medium, same refractive index.
When the light falls on the surface of the lake, it gets refracted and the speed of light in water is not same as that of the speed of light.
The refractive index of water is greater than the refractive index of air. From equation (I), higher the refractive index lower will be the speed of light in that medium. Therefore, the speed of light in water is less than the speed of light in air.
Conclusion:
Thus, the speed of light in water is less than the speed of light in air.
A part of light is reflected at the water – air interface.
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Use the following information to answer the next question.
Two mirrors meet an angle, a, of 105°. A ray of light is incident upon mirror A at an angle, i, of
42°. The ray of light reflects off mirror B and then enters water, as shown below:
Incident
ray at A
Note: This diagram is not to
scale.
a
Air (n = 1.00)
Water (n = 1.34)
1) Determine the angle of refraction of the ray of light in the water.
B
Hi can u please solve
6. Bending a lens in OpticStudio or OSLO. In either package, create a BK7 singlet lens of 10 mm semi-diameter
and with 10 mm thickness. Set the wavelength to the (default) 0.55 microns and a single on-axis field point at
infinite object distance. Set the image distance to 200 mm. Make the first surface the stop insure that the lens
is fully filled (that is, that the entrance beam has a radius of 10 mm). Use the lens-maker's equation to
calculate initial glass curvatures assuming you want a symmetric, bi-convex lens with an effective focal length
of 200 mm. Get this working and examine the RMS spot size using the "Text" tab of the Spot Diagram analysis
tab (OpticStudio) or the Spd command of the text widnow (OSLO). You should find the lens is far from
diffraction limited, with a spot size of more than 100 microns.
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Chapter 16 Solutions
College Physics
Ch. 16.1 - Prob. 16.1STCh. 16.2 - Prob. 16.2STCh. 16.3 - Prob. 16.3STCh. 16.3 - Prob. 16.4STCh. 16.4 - Prob. 16.5STCh. 16.5 - Prob. 16.6STCh. 16.6 - Prob. 16.7STCh. 16.7 - Prob. 16.8STCh. 16 - Prob. 1CQCh. 16 - Prob. 2CQ
Ch. 16 - Prob. 3CQCh. 16 - Prob. 4CQCh. 16 - Prob. 5CQCh. 16 - Prob. 6CQCh. 16 - Prob. 7CQCh. 16 - Prob. 8CQCh. 16 - Prob. 9CQCh. 16 - Prob. 10CQCh. 16 - Prob. 11CQCh. 16 - Prob. 12CQCh. 16 - Prob. 13CQCh. 16 - Prob. 14CQCh. 16 - Prob. 15CQCh. 16 - Prob. 16CQCh. 16 - Prob. 17CQCh. 16 - Prob. 18MCQCh. 16 - Prob. 19MCQCh. 16 - Prob. 20MCQCh. 16 - Prob. 21MCQCh. 16 - Prob. 22MCQCh. 16 - Prob. 23MCQCh. 16 - Prob. 24MCQCh. 16 - Prob. 25MCQCh. 16 - Prob. 26MCQCh. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Prob. 7PCh. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - Prob. 10PCh. 16 - Prob. 11PCh. 16 - Prob. 12PCh. 16 - Prob. 13PCh. 16 - Prob. 14PCh. 16 - Prob. 15PCh. 16 - Prob. 16PCh. 16 - Prob. 17PCh. 16 - Prob. 18PCh. 16 - Prob. 19PCh. 16 - Prob. 20PCh. 16 - Prob. 21PCh. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Prob. 25PCh. 16 - Prob. 26PCh. 16 - Prob. 27PCh. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - Prob. 32PCh. 16 - Prob. 33PCh. 16 - Prob. 34PCh. 16 - Prob. 35PCh. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - Prob. 38PCh. 16 - Prob. 39PCh. 16 - Prob. 40PCh. 16 - Prob. 41PCh. 16 - Prob. 42PCh. 16 - Prob. 43PCh. 16 - Prob. 44PCh. 16 - Prob. 45PCh. 16 - Prob. 46PCh. 16 - Prob. 47PCh. 16 - Prob. 48PCh. 16 - Prob. 49PCh. 16 - Prob. 50PCh. 16 - Prob. 51PCh. 16 - Prob. 52PCh. 16 - Prob. 53PCh. 16 - Prob. 54PCh. 16 - Prob. 55PCh. 16 - Prob. 56PCh. 16 - Prob. 57PCh. 16 - Prob. 58PCh. 16 - Prob. 59PCh. 16 - Prob. 60PCh. 16 - Prob. 61PCh. 16 - Prob. 62PCh. 16 - Prob. 63PCh. 16 - Prob. 64PCh. 16 - Prob. 65PCh. 16 - Prob. 66PCh. 16 - Prob. 67PCh. 16 - Prob. 68PCh. 16 - Prob. 69PCh. 16 - Prob. 70SPPCh. 16 - Prob. 71SPPCh. 16 - Prob. 72SPPCh. 16 - Prob. 73SPP
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