College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Question
Chapter 27, Problem 57RPP
To determine
The maximum time interval required to transfer an antenna molecule between neighboring antenna molecules, from the following options, if the exciting energy of an antenna molecule is transferred 100 times between neighboring antenna molecules.
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q1) Select the right answer
i) Si nanocrystal are used for solar cell application. From the photoluminescence one can say that
a. Small Si nanocrystals have large photoluminescence at high energy
b. Small Si nanocrystals have large photoluminescence at small energy
c . Only one particular Si nanocrystal size gives large photoluminescence
d. Photoluminescence does not depend on the Si nanocrystal size
ii) Gold nanoparticles are useful for medical applications because:
a. All of them
b. They can be controlled by a magnetic field
c .They can be used for hyperthermia
d. They are can give a good contrast for MRI
iii) In ion beam sputtering method what is NOT possible:
a. The target made of the material can be heated
b. There is a voltage between the target and substrate
c. Multi-targets can be used
d. Alloys can be deposited
iv) Atomic force microscope can be used to image:
a. Only semiconductor nanomaterials
b. Only insulating nanomaterials
c Only conductive nanomaterials
d All of them…
2. Use Max Planck's quantum theory to explain the following behaviour of photoelectrons.
a. Low-intensity light does not release any photoelectrons. What will happen if the light is made
brighter? Explain your reasoning.
b. Low-intensity light releases photoelectrons. What will happen if the light is made brighter?
Explain your reasoning.
c. Low-intensity light does not release any photoelectrons. What will happen if the frequency of
the light is gradually increased? Explain your reasoning.
QUESTION
You have a large, healthy philodendron that you carelessly leave in total darkness while you are on vacation. You are surprised to find that it is still alive when you return. What has the plant been using for an energy source while in the dark?
A. When light energy is not available, plants can derive energy from inorganic molecules.
B. Even though the plant received no visible light, it was able to use the short-wave part of the electromagnetic spectrum (gamma rays and X-rays) to carry out photosynthesis.
C. While it did have access to light, the plant stored energy in the form of sugars or starch, and it was able to derive energy from the stored molecules during your vacation.
D. Even though it can't carry out the light reactions, the plant can still produce sugars because the Calvin cycle doesn't require light.
E. None of the above.
Chapter 27 Solutions
College Physics
Ch. 27 - Prob. 1RQCh. 27 - Prob. 2RQCh. 27 - Prob. 3RQCh. 27 - Prob. 4RQCh. 27 - Prob. 5RQCh. 27 - Prob. 6RQCh. 27 - Prob. 1MCQCh. 27 - Prob. 2MCQCh. 27 - Prob. 3MCQCh. 27 - Prob. 4MCQ
Ch. 27 - Prob. 5MCQCh. 27 - Prob. 6MCQCh. 27 - Prob. 7MCQCh. 27 - Prob. 8MCQCh. 27 - Prob. 9MCQCh. 27 - Multiple Choice Questions In which of the...Ch. 27 - Prob. 11MCQCh. 27 - Prob. 12MCQCh. 27 - Prob. 13CQCh. 27 - Prob. 14CQCh. 27 - Prob. 15CQCh. 27 - Prob. 16CQCh. 27 - Prob. 17CQCh. 27 - Prob. 18CQCh. 27 - Prob. 19CQCh. 27 - Prob. 20CQCh. 27 - Prob. 1PCh. 27 - Prob. 2PCh. 27 - Prob. 3PCh. 27 - Prob. 4PCh. 27 - 27.1 Black Body Radiation * EST Estimate the...Ch. 27 - Prob. 6PCh. 27 - Prob. 7PCh. 27 - Prob. 8PCh. 27 - Prob. 9PCh. 27 - Prob. 10PCh. 27 - Prob. 11PCh. 27 - Prob. 12PCh. 27 - Prob. 13PCh. 27 - Prob. 14PCh. 27 - Prob. 15PCh. 27 - Prob. 16PCh. 27 - Prob. 17PCh. 27 - Prob. 18PCh. 27 - Prob. 19PCh. 27 - Prob. 20PCh. 27 - Prob. 21PCh. 27 - Prob. 22PCh. 27 - Prob. 23PCh. 27 - Prob. 24PCh. 27 - Prob. 25PCh. 27 - Prob. 26PCh. 27 - Prob. 27PCh. 27 - Prob. 28PCh. 27 - Prob. 29PCh. 27 - Prob. 30PCh. 27 - Prob. 31PCh. 27 - Prob. 32PCh. 27 - Prob. 33PCh. 27 - Prob. 34PCh. 27 - Prob. 35PCh. 27 - Prob. 36PCh. 27 - Prob. 37PCh. 27 - Prob. 38PCh. 27 - Prob. 39PCh. 27 - Prob. 40PCh. 27 - Prob. 41PCh. 27 - 42. * EST Estimate the temperature of the Sun's...Ch. 27 - Prob. 44GPCh. 27 - Prob. 46GPCh. 27 - Prob. 47GPCh. 27 - Prob. 48GPCh. 27 - Prob. 49GPCh. 27 - Prob. 50GPCh. 27 - Prob. 51GPCh. 27 - Prob. 52GPCh. 27 - Prob. 53GPCh. 27 - Prob. 54GPCh. 27 - Prob. 55RPPCh. 27 - Prob. 56RPPCh. 27 - Prob. 57RPPCh. 27 - Prob. 58RPPCh. 27 - Prob. 59RPPCh. 27 - Prob. 60RPPCh. 27 - Prob. 61RPPCh. 27 - Prob. 62RPPCh. 27 - Prob. 63RPPCh. 27 - Prob. 64RPP
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