2. What is the wavelength of an electron traveling at 6x X 105 m/s? Why can electron microscopy provide better resolution than optical microscopy? (1′)
Q: SHOW ALL YOUR WORK. Correct answer without work will not receive credit. Provide brief explanation…
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Q: Resolving ‘power’ of an electron microscope versus optical (photon) microscope: If a resolution of…
A: The wavelength, The mass of an electron, The mass of the photon,
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A: Given: Planck's constant,h=6.626×10-34JsMass of the electron,m=9.1×10-31kgWavelength of…
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Q: 4. In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…
A: Einstein's photoelectric equation is hv=eVo+ϕoh is planck constante charge of electron=1.6×10-19…
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A: Given data: velocity of the particle =v= 1000 m/s Mass of alpha particle = m = 6.7 x 10-27 kg first…
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: 7. In certain experiments a 54 eV beam is directed at the target perpendicularly and the maximum…
A: Energy of the electron beam E=54 eV sp corresponding Voltage would be V=54 V. Angle of incidence is…
Q: a) Calculate the frequency (in s-1) and the energy (in J) of a photon with the wavelength of 170 nm.…
A: Wavelength of photon (λ) = 170 nm = 1.7×10-7 m
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A: As the beam is defocused to get electron beam of higher intensity and larger spot size to improve…
Q: For a given element, all wavelengths of light observed in an emmission spectrum are also seen in an…
A: 1)False Reason:- if we take the example of hydrogen spectra, we can clearly observe that the…
Q: a. How much energy is in a quantum of blue light (400 nm) (h = Planck's constant = 6.6×10-34J•S c =…
A: Given : λ = 400 nm = 400 × 10-9 m h = 6.6 × 10-34 J.s c = 2.998 × 108 m/s
Q: Resolving ‘power’ of an electron microscope versus optical (photon) microscope: If a resolution of…
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Q: MV². 2RT dN M F(V)dV =5 N = 47(- 3:2y² exp(- `2TRT AP(= Find the Vm value by considering the…
A: Here Vm is the most probable speed as shown in the graph most probable velocity physically means…
Q: What is the energy of a single photon whose wavelength is 3.0 × 10° m? [h = 6.63 x 1034 Joule-sec]
A: Wavelength=3.0×10^-6 h=6.63×10^-34
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Q: 3. A 50 mW, 500 nm collimated laser light is incident upon a 2mm thick tissue sample with the…
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Q: Nhv U = hv e \kgT 1
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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…
Q: The uncertainty (in mm) of any reading when using the odjacent vernier caliper is 0. 10 20 mm 0123…
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Q: Q3:- A metal surface illuminated by 8.5 x10" Hz light emits electrons whose maximum energy is 0.52…
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Q: (b) What is the size of a 3D box if an electron jumps from the first excited level to the lowest…
A: Let us assume that the 3D box is cubical, so the dimension of the box along all the cartesian…
Q: 10. Light of wavelength 471 nm is directed at a metal surface, and it is found that pho- toelectrons…
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Q: 2. When discussing Bragg scattering we showed that constructive interference between waves…
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Q: 4) Electrons, protons, and photons each have wavelengths of 0.54 nm. Calculate their…
A: The objective of the question is to calculate the kinetic energies of electrons, protons, and…
Q: When a metal is illuminated with light of wavelength 420 nm, the stopping potential is 0.65 V; when…
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