2. Calculate the de Broglie wavelength of Usain Bolt (m=94 kg) when he is running with a speed of 10 m/s.
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A: SOlution: Given that m = 11.66 gms v =387 m/s
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Q: 7) Calculate translational kinetic energy of a non-relativistic electron as a function of the…
A: We know the de Broglie wavelength is given as:λ=ph=mvhorv=mλhorv2=m2λ2h2or K.E.=21mv2=2mλ2h2
Q: 1. A light source of wavelength λ illuminates a metal and ejects photoelectrons with a maximum…
A: We use the photoelectric equation, KEmax=hcλ-ϕλ=wavelength of incident photonsϕ=work…
Q: Calculate the de Broglie wavelength of a proton moving at 2.33 x 104 m/s and 2.55 x 108 m/s. (a)…
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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: (i) What is the De Broglie wavelength of an electron traveling at a speed of 1.5 X106 m/s and (ii)…
A: Thee speed of the electron is 1.5×106 m/s.
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A: Given data, Kinetic Energy KE=5.27 eV Wavelength λ=4.38×10-12 m
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A: Answer. A. 1/Ek.5 Solution
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Q: 3. If an X-ray photon with 2 = 0.053 nm hits (and Compton scatters from) an initially stationary…
A: Incident photon wavelength λ = 0.053 nm
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A: We use the formula for photoelectric effect to get the required.
Q: 7. X-rays with an energy of 300. keV undergo Compton scattering from a target. If the scattered rays…
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Q: If a proton and an electron have the same kinetic energy, which has the longer de Broglie…
A: Given: A proton and an electron has same kinetic energy.
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Q: 3- An electron is moving with a speed of 4.00 x 10° m/s. What is the speed of a proton that has the…
A: Option b Is the right answer 2.18 km/s
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Q: 21. Ultraviolet light of wavelength 4.00 x 10 m irradiates a certain material, releasing A…
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Q: 3. Find the energy of the scattered photon, the electron's kinetic energy, and Compton's shift of a…
A: Given-Compton's shift of a wavelength λ=0.01 A0=0.01×10-10mAngle θ=700h=6.62×10-34jsm0=9.11×10-31…
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A: De Broglie's equation
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A: Given data: Distance covered d=5 miles. Time taken t=4 sec. de-Broglie wavelength λ=1.62×10-38 m.…
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A: Given data: The mass is, m=1.22 kg The speed is, v=12 m/s h=6.626×10-34 J.s
Q: 4. A photon passes through a horizontal slit of width 5 x 10-6 m. What uncertainty in the vertical…
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A: work function of k = 2.2 eV
Q: What is the de Broglie wavelength for an electron moving at 2.00 x 10^7 m/s?
A:
Q: and a photon each have a wavelength of 1.00 nm. Find (a) their momenta (b) the energy of the ph
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A: Solution : Cat mass m = 1 kg speed of cat, v = 100 m/s h = 6.63x10^-34 J s c = 3x 10^8 m/s
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Q: e work function for a certain metal is 4.2 eV. Will metal give photoelectric emission for incident
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- 7. The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for incident radiation of wavelength 330 nm?A bullet from a .357 Magnum has a mass of 11.66 gms and a muzzle velocity of 387 m/s. What is the de Broglie wavelength of the bullet? Select one: a. 2.34 x 10-35 m b. 1.47 x 103 m c. 1.47 x 10-34 m d. 2.34 x 102 mIf the de Broglie wavelength of a neutron is 10 -10m what is the energy associated with it? Mass of neutron is 1.675×10 -27 kg.
- 3. The linear attenuation of the intensity of incident radiation on a material is affected by kind of radiation thickness of the material temperature of the material frequency of radiation1. A particle loses 7.20 × 10-¹⁹ J of energy while emitting light. (a) What is the wavelength of the light that is emitted in nm? What portion of the electromagnetic spectrum does this light represent? (b) What is the frequency of the light emitted in sec¯¹? (c) If the wave function for an electron has a wavelength of λ = 500 nm, which would be equivalent to a visible photon if the electron were light instead of a particle, how fast is the electron moving, in m/sec, according to deBroglie's formula?8 : The moving electron and photon has same De Broglie wavelength. Show that the electron possesses more energy than carried by the photon,
- 3. Light of wavelength 500. nm is incident on a metallic surface. If the stopping potential for the photoelectric effect is 0.450 V, find (a) the maximum kinetic energy of the emitted electrons, (b) the work function, and (c) the cutoff wavelength. 1113. Find the energy of the scattered photon, the electron's kinetic energy, and Compton's shift of a wavelength of 0.01 Å when scattering at angle 70° where: h = 6.62×1034 & mo = 9.11×1031 & c = 3x108 4. Find the positron scattering angle, if the incident photon has frequency 3x 1022 Hz where: h = 6.62x1034 & mo = 9.11×10-31 & c = 3x108
- 40. What must be the velocity, in meters per beam of electrons if they are to display a de Broglie wavelength of 850 nm? second, of aElectrons striking the back of a conventional TV screen travel at a speed of about 2.7 ✕ 107 m/s. What is their de Broglie wavelength (in nm)?2. To "observe" small objects, one measures the diffraction of particles whose de Broglie wavelength is approximately equal to the object's size. Find the kinetic energy (in electron volts) required for electrons to resolve (a) a large organic molecule of size 10.0 nm, (b) atomic features of size 0.100 nm, and (c) a nucleus of size 10.0 fm.