CdS has a band gap of 2.4 eV. If large crystals of CdS are illuminated with ultraviolet
Question:
(a) What color is the emitted light?
(b) Would appropriately sized CdS quantum dots be able to emit blue light?
(c) What about red light?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 41% (12 reviews)
a Calculate the wavelength of light that corresponds to 24 eV then look at a visible spectrum such ...View the full answer
Answered By
Pushpinder Singh
Currently, I am PhD scholar with Indian Statistical problem, working in applied statistics and real life data problems. I have done several projects in Statistics especially Time Series data analysis, Regression Techniques.
I am Master in Statistics from Indian Institute of Technology, Kanpur.
I have been teaching students for various University entrance exams and passing grades in Graduation and Post-Graduation.I have expertise in solving problems in Statistics for more than 2 years now.I am a subject expert in Statistics with Assignmentpedia.com.
4.40+
3+ Reviews
10+ Question Solved
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
Question Posted:
Students also viewed these Physical Chemistry questions
-
Why do different fluorescent minerals emit different colors when illuminated with ultraviolet light?
-
Zincselenide has a band gap of 2.58 eV. Over what range of wavelengths of visible light is it transparent?
-
Zinc telluride has a band gap of 2.26 eV. Over what range of wavelengths of visible light is it transparent?
-
At the beginning of September, Selena Cantu started Cantu Wealth Management Consulting, a firm that offers financial planning and advice about investing and managing money. On September 30, the...
-
Electro Repairs & Service, an electronics repair store, prepared the unadjusted trial balance shown below at the end of its first year of operations. For preparing the adjusting entries, the...
-
Element 85, astatine (At), is a radioactive halogen that is not present in appreciable amounts in nature. The acid HAt can be prepared and compared with the other hydrogen halides. Explain why you...
-
Presented below are the fi nancial statements of Warner Company. LO11 WARNER COMPANY Comparative Balance Sheets December 31 Assets 2017 2016 Cash $ 35,000 $ 20,000 Accounts receivable 20,000 14,000...
-
Four-drive theory is conceptually different from Maslows needs hierarchy (as well as ERG theory) in several ways. Describe these differences. At the same time, needs are based on drives, so the four...
-
Company ABC is thinking about a project to expand their business. In order to start the project, ABC has to invest $200,000 in new equipment and $50,000 in working capital. ABC has to spend $15,000...
-
Case: A fertilizer company, Pizza and Urea, is located near a village, Payamudirsholai on the banks of river Pamba. One day, the villagers find fish dying due to fluid waste from the fertilizer...
-
Explain why "bands" may not be the most accurate description of bonding in a solid when the solid has nanoscale dimensions?
-
True or false: (a) The band gap of a semiconductor decreases as the particle size decreases in the 1-10-nm range. (b) The light that is emitted from a semiconductor, upon external stimulation,...
-
Distinguish between the roles of the prosecutor and defense attorney.
-
1. Mainland purchased a machine for $85,000 on 1 January 20x7 and assigned it a useful life for 10 years. On 31 March 20x9 it was revalued to $93,000 with no change in useful life. Complete the table...
-
Find the equation of the regression line and identify a characteristic of the data that is ignored by the regression line X 10 8 13 9 11 14 6 4 12 7 5 Y 7.46 6.77 12.74 7.11 7.81 8.84 6.08 5.39 8.15...
-
For each of the following independent cases, fill in the missing amounts in the table: (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable.) Case Direct Labor...
-
All views expressed in this paper are those of the authors and do not necessarily represent the views of the Hellenic Observatory or the LSE George Alogoskoufis Greeces Sovereign Debt Crisis:...
-
Current Attempt in Progress Nash Company is constructing a building. Construction began on February 1 and was completed on December 31. Expenditures were $1,812,000 on March 1, $1,212,000 on June 1,...
-
Draw the execution diagram for the program in Problem 10-12, assuming the combination of the RISC CPU with branch prediction in Figure 10-17 and the RISC CPU with data forwarding in Figure 10-13....
-
What is a make-or-buy decision?
-
An air-conditioner provides 1 lbm/s of air at 60 F cooled from outside atmospheric air at 95 F. Estimate the amount of power needed to operate the air-conditioner. Clearly state all assumptions made.
-
We propose to heat a house in the winter with a heat pump. The house is to be maintained at 68 F at all times. When the ambient temperature outside drops to 15 F, the rate at which heat is lost from...
-
An inventor has developed a refrigeration unit that maintains the cold space at 14 F, while operating in a 77 F room. A coefficient of performance of 8.5 is claimed. How do you evaluate this?
-
A company is evaluating a new 4-year project. The equipment necessary for the project will cost $3,300,000 and can be sold for $650,000 at the end of the project. The asset is in the 5-year MACRS...
-
You have just been hired as a new management trainee by Earrings Unlimited, a distributor of earrings to various retail outlets located in shopping malls across the country. In the past, the company...
-
I need to see where the calculations for this problem come from plz. 5. Award: 4.00 points Lucido Products markets two computer games: Claimjumper and Makeover. A contribution format income statement...
Study smarter with the SolutionInn App