How to calculate number of photons
[DOC File]Physics II - Magnetism
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Calculate the number of photons per second emitted by a monochromatic source of specific wavelength and power. Power is work divided by time, which means that it is also energy divided by time. Use the equation to calculate the energy for one photon.
[DOC File]Photons - School of Physics
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Calculate the energy of the photons emitted from this laser. Given that the laser has a power of 2.00 mW, calculate the number of photons emitted per second. Photosensitive surfaces are not always very efficient. Suppose the fractional efficiency of a Cs surface is 1.00 ( 10-16 (one in every 1.00 ( 1016 photons ejects an electron).
[DOC File]1 - kau
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Calculate the number of photons at this wavelength required to raise the temperature of the water by 5.00°C. A) 4.10 1032 photons B) 5.32 1028 photons C) 4.10 1023 photons D) 5.32 1019 photons 76. Photodissociation of water . H2O (l) + h H2 (g) + 1/2O2 (g)
[DOC File]TAP 501-2: Photons streaming from a lamp
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3. Calculate the energy transferred by each photon. 4. Calculate the number of photons emitted by the lamp in each second. Practical advice. This question, or a substitute for it, needs to come early on in the discussion of photons to avert questions concerning our inability to be aware of single photons.
[DOC File]2
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has a diameter of 6.0 mm. Calculate the . number of photons which enter her eye . per second. [4] Explain in terms of photons why the light intensity decreases with increasing distance from the LED. [1] 3. Define simple harmonic motion (s.h.m.).[2] Figure (i) shows a mass performing vertical oscillations on the end of a spring.
[DOC File]Chapter 1 - Solutions
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The number of photons produced in one pulse is # photons = 0.376 J 1 photon = 1.20 x 1018 photons per pulse. 3.14 x 10-19 J. b) Calculate the power (in watts) delivered by the laser per pulse. (1 W = 1 J/s). power = energy = 0.376 J = 3.76 x 108 J/s = 376. MJ/s. time 1.0 x 10-9 s. 1 7
[DOCX File]Practice Problems - Manchester High School
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Calculate the number of photons having a wavelength of 10.0 m required to produce 1.0 kJ of energy. Ans: 5.0 x 1022 photons. Calculate the total energy in 1.5 x 1013 photons of gamma radiation having = 3.0 x 10-12 m. Ans: 1.0 J. Calculate the energy and frequency of red light having a …
[DOC File]Introduction to Nuclear Physics and Gamma-Ray …
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Let N(x) be the number of photons per cm2 at x traveling along the x axis. The number dN of photons which interact, and hence lose energy in a distance dx between x and x+dx is proportional to N(x) and the distance dx. VII-5. The factor of proportionality ( ) is called the total linear attenuation coefficient.
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