What is sodium light what is difference between sodium light and white light . I didnt understan
Q: What is the de Broglie wavelenght of: i. a proton (mass of proton=1.67x10^-27 kg) traveling at 15…
A: de Broglie wavelength is given by, λ=hmv Here, h is the Planck's constant, m is the mass of the…
Q: 30. Transparency coefficient for one-dimensional potential barrier?
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Q: The Bohr's hydrogen model is based on the following postulate: mvr = nh, where n is a positive…
A: Bohr's model of atom says that the electrons travel in a well-defined circular orbit around the…
Q: 2. In an electron microscope we wish to study particles of diameter about 0.10 um. a. What should be…
A: Given: Diameter of particles =0.10 μm Calculation: a) The de Broglie wavelength of the electron…
Q: A photon in a laboratory experiment has an energy of 5.5 eV. What is the frequency of this photon?…
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Q: An electron in a rigid box is in the ground state. The system absorbs a 9-eV photon putting the…
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Q: 13-15 Match the scientist with the accomplishment. Choices: [A] de Broglie [B] Einstein [C]…
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Q: During a brown-out, the electric power company drops the voltage of the power line and the…
A: When the Voltage drops the current flow will also decrease, Which implies in the change in power…
Q: What will be the energy associated with a red photon, if the wavelength of the red light is 650 nm?…
A: Solution:-Given thatWavelength of red light (λ)=650 nm=650×10-9 m
Q: What is the de-Broglie wavelength of (a) a bullet of mass 0.040 kg travelling at the speea of 1.0…
A: Here, we calculate the de- broglie wavelength of bullet and ball as given follow;
Q: An x-ray photon with an initial wavelength strikes an electron that is initially at rest. What is…
A: Note: As per our guideline, I will solve the first question, Please post other questions separately.…
Q: 15. How many photons are emitted by a 5.00 mW laser in 10.0 s if the photons have a wavelength of…
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Q: a. Calculate the wavelength of light, in nanometers, emitted when a hydrogen atom relaxes from n = 7…
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Q: When a photoconductor is exposed to light a. less current flows through it b.its resistance…
A: A photoconductor is a semiconductor device. It carries current when it is exposed to light.
Q: In what part of the EM spectrum would a photon of energy 8.9 ✕ 10^−17 J be found? radio wave…
A: The energy of the photon is given as E=8.9×10-17 J
Q: The diagram above represents the photoelectric effect for a metal. When the metal surface is exposed…
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Q: 3. Using the average speed of a gas, (8RT?MW)1/2, determine the average de Broglie wavelength for an…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: What is the wavelength (in nm) of an electron moving at 3.09% of the speed of light? nm
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Q: Which of the following particles can travel at 50% the speed of light? Select all the possible…
A: Particles that can travel at 50% the speed of light are:a. an electronb. a protonc. a blue photond.…
Q: Human skin is opaque to visible light but transparent to X-rays. Why?
A: If the material is transparent to the particular frequency, then the wave can largely be…
Q: 1. A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled…
A: The relation between energy and frequency of photon is,
Q: The resolving power of electron microscope is higher than that of an optical microscope because the…
A: We are aware that an electron microscope has a better resolving power than an optical microscope.
Q: n atom X makes a transition from the orbit with n=2 to the orbit with n=1. Using the Bohr model,…
A: In Bohr Model, there is a dense nucleus with the electrons orbiting around the nucleus. He assumed…
Q: As the intensity of light increases in the photoelectric effect, the ejected electrona. has a…
A: The question is asking about the effect of increasing the intensity of light on the photoelectric…
Q: What is the energy in joules and electron volts of a photon of 420-nm violet light?
A: Given, Photon of wavelength 420 nm. Energy of photon = hcλ , h is planck's constant , c is speed of…
Q: Assume you shine a light at the same wavelength as in the previous question, but of greater…
A: The energy of a photon of light is given by Where h = Planck Constant = 6.626 × 10- 34 J.s , c =…
Q: When 180 nm light falls on metal the current through a photoelectric circuit can be brought to zero…
A: given that, voltage V = 1.74 V wavelength of light fall λ = 180 nm The kinetic energy of the…
Q: A) In what part of the EM spectrum would a photon of energy 4.9 ✕ 10−17 J be found? microwave…
A: The objective of the question is to find out the part of the electromagnetic (EM) spectrum where a…
Q: 6. A surface has a work function of 1.70 eV and has light on wavelength of 400 nm shone on it. What…
A: Given thatW=1.70 evwavelength =440 nmTo determine that What is the maximum speed of the electrons…
Q: Part B Suppose that the light carries energy Elight. What is the maximum stopping potential Vo that…
A: energy of incident light = Elight stopping potential = VoWork function = ϕ
Q: Does a photon have a de Broglie wavelength? If so, how is it related to the wavelength of the…
A: Asked : Does a photon have a de Broglie wavelength? If so, how is it related to the wavelength of…
Q: 5. Radiation of wavelength A = 290 nmfalls on a metal surface for which the work function is W =…
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Q: If violet light of wavelength 375 nm illuminates a metal, what voltage will completely stop the flow…
A: Solution: Write the Einstein's photoelectric equation for the maximum kinetic energy.…
Q: If we continue heating a piece of initially room-temperature metal in a dark room, it will begin to…
A: The metal glows at any temperatures, but it can be clearly visible to human eyes when it reaches in…
Q: QUESTION 7 A metal having a work function of 2.8 eV is illuminated with monochromatic light whose…
A: Given data, Work function is given ϕ0=2.8 eV =2.8×1.6×10-19=4.48×10-19 J.
Q: What should be the wavelength of light that must be used to remove the electrons of a 4 gram…
A: The wavelength of light that must be used to excite an electron of hydrogen atom from the first…
Q: According to the Bohr model of the hydrogen atom, the discrete energy levels that a bound electron…
A: According to Bohr model of atom of hydrogen atom , the electrons can occupy discrete energy levels.
Q: An electron microscope uses electrons accelerated by a voltage of 50 kV. Determine the de-Broglie…
A: Given: The voltage is V=50 kV. The expression to calculate the energy of electron is given by,…
Q: A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then…
A:
Q: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…
A: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…
Q: In an electron microscope, an electron displays wave like properties. To decrease the de Broglie…
A: De-Broglie wavelength is given by:- λ=hmv where, m=mass of electron h=Planck's constant v=velocity…
Q: 3- When ultraviolet light with a wavelength of 230 nm shines on a particular metal plate, electrons…
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Q: 5. Derive a formula expressing the de Broglie wavelength (in Â) of an electron in terms of the…
A: According to the guidelines issued by the company we are supposed to answer only first question.…
Q: A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05nm. It then gives…
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Q: A metal surface is illuminated by light with a wavelength of 350 nm. The maximum kinetic energy of…
A: when the light illuminated photons all the electrons does not have same value of energy. in this…
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