Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Chapter 16, Problem 7CQ
To determine
Do the L cones in the retina of the eye respond only for a single wavelength.
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answer is D, explain how?
5. Assume an MRI scanner imaging 'H with the following specifications:
Bo = 3.0 T. Assume that with the Z-gradient on, the magnetic field strength is B0
at location Z = Zc:
a. With a bandwidth of 1500 Hz, what is the gradient strength (G2) that would
allow us to image a slice with 0.75 mm thickness?
b. Using the gradient calculated in (a), we need to acquire an MR slice with the
same slice width and positioned at 2.5 cm above the Z. position (Z = Z. +2.5
cm). What is the required RF excitation pulse center frequency (in MHz) for
the slice selection pulse?
1. The electric field of a light wave propagating in a medium of
re fracti ve
E = 10N/C cos(1015t+ 5.10€y)i
index
be
expresse d
a s
сan
Determine the following: propagation constant, period, velocity in the
medium, refractive index of the medium and magnetic field associated
with this electric field.
2a.(i) A photon of wavelength 1.06µm is combined with a photon of
wavelength 0.85µm to create a new photon whose energy is the sum of
energies of these two photons. What is the wavelength of the new photon?
(ii)How many photons are emitting from the laser diode in 5 minutes if its
power is 1mW?
2b. A 1.55-um digital communication system operating at 1 Gb/s receives
an average power of –40 dBm at the detector. Assuming that 1 and 0 bits
are equally likely to occur, calculate the number of photons received
within each 1 bit.
Chapter 16 Solutions
Physics of Everyday Phenomena
Ch. 16 - What characteristic of the electromagnetic waves...Ch. 16 - Prob. 2CQCh. 16 - Is it possible for an electromagnetic wave to...Ch. 16 - For which of the following characteristicsspeed,...Ch. 16 - Prob. 5CQCh. 16 - What is the color of light with a wavelength of...Ch. 16 - Prob. 7CQCh. 16 - Prob. 8CQCh. 16 - Prob. 9CQCh. 16 - A color TV uses red, green, and blue phosphors to...
Ch. 16 - Skylight is produced by the scattering of the suns...Ch. 16 - Prob. 12CQCh. 16 - Prob. 13CQCh. 16 - Prob. 14CQCh. 16 - If two waves start out in phase with each other,...Ch. 16 - Prob. 16CQCh. 16 - Prob. 17CQCh. 16 - Prob. 18CQCh. 16 - Prob. 19CQCh. 16 - Prob. 20CQCh. 16 - Why do lenses with a reflective coating appear to...Ch. 16 - Prob. 22CQCh. 16 - Prob. 23CQCh. 16 - Prob. 24CQCh. 16 - Prob. 25CQCh. 16 - Prob. 26CQCh. 16 - Can a wave on a guitar string be polarized?...Ch. 16 - Prob. 28CQCh. 16 - Prob. 29CQCh. 16 - Prob. 30CQCh. 16 - Prob. 31CQCh. 16 - Prob. 32CQCh. 16 - Microwaves used in microwave ovens often have a...Ch. 16 - What is the wavelength of the radio waves from a...Ch. 16 - Prob. 3ECh. 16 - Prob. 4ECh. 16 - Light with a wavelength of 700 nm (7 107 m) is...Ch. 16 - Prob. 6ECh. 16 - An orange fringe produced by double-slit...Ch. 16 - Violet light of 425 nm is reflected from a thin...Ch. 16 - An antireflection coating is designed with a...Ch. 16 - Light with a wavelength of 480 nm (4.8 107 m)...Ch. 16 - Prob. 11ECh. 16 - A diffraction grating has 2200 slits or lines...Ch. 16 - Prob. 13ECh. 16 - When passed through a diffraction grating with a...Ch. 16 - Prob. 1SPCh. 16 - Prob. 2SPCh. 16 - Prob. 3SPCh. 16 - A certain soap film has an index of refraction...
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