Photon absorbed by an electron
A photon absorbed by an electron will give up more energy to the electron if the photon:
A) is moving slower.
B) has a higher frequency.
C) is moving faster.
D) is not spread out over many electrons
Expected delivery within 24 Hours
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2.
A rigid tank whose volume is 0.5 m3, initially containing ammonia at 20oC, 1.5 bar, is connected by a valve to a large supply line carrying ammonia at 12 bar, 60oC.
How fast would you have to spin a single circular loop with a radius of 1cm to get the same voltage?
A manometer connected to the tap shows a head of 0.14 in. of mercury above atmospheric. Determine the approximate speed of the air leaving the nozzle if it is at 40°F and 14.7 psia.
In 2001, the United States produced 51% of its electricity in the amount of 1.878 * 10^12 kWh from coal fired power plants. Taking the average thermal efficiency to be 34%, determine the amount of thermal energy rejected by the coal fired power pl
If the data yielded a sample mean of 19.3 minutes with a standard deviation of 5.2 minutes, estimate the true mean time and calc ulate the margin of error.
The second solenoid is 200 circular loops of wire with a diameter of 6.0 cm encircling the smaller solenoid. The current in the inner solenoid is turned on so that it goes from 0 to 500 mA in two seconds. What is the voltage generated in the outer
The piston/cylinder contains 0.1 kg R-410a at 600 kPa, 60oC. It is now cooled, so the volume is reduced to half of the initial volume. What is the heat transfer in the process?
1949489
Questions Asked
3,689
Active Tutors
1454350
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
Question: Which clinical findings tend to support a diagnosis of Klinefelter syndrome?(Select all that apply.) Short arm span Gynecomastia. Scoliosis Small peni
Problem: The treatment that has been the MOST popular for restoring weight among persons with anorexia nervosa is
The nurse is caring for a client who is receiving internal radiation therapy for cervical cancer. Which of the following actions should the nurse take?
What are two ways to share the outcomes of research? Why is it important to present the results of this research to the organization in some capacity?
Problem: The nurse is teaching a client who had left cataract surgery with an intraocular lens implant.
A nurse is reinforcing teaching about exercise with a client who has type 1 diabetes mellitus. Which of the following statements by the client indicates