8. Estimate the angular spread of a laser beam of wavelength 693 nm due to diffraction if the beam emerges through a 3 mm diameter mirror. How large would be the diameter of this beam when it strikes a satellite 300 km above the earth?

Q: If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the…

A: Kinetic energy of a body having momentum is given by KE = p22m, where m = the mass of the body p =…

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,

Q: A beam of x-ray is diffracted by a crystal. It was observed that the first order glancing angle is…

A: Given data: Order n = 1 Glancing angle θ=4.2o Separation d=2.25×10-10 m

Q: What is the maximum amount by which the wavelength of an incident photon could change when it…

A: Atomic mass of the molecule, 44u =44×1.66×10-27=7.304×10-26kg

Q: Electrons are ejected from a metallic surface with speed of up to 5.8 x 106 cm/s, when light with…

A:

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​=mvh​orv=mλh​orv2=m2λ2h2​or K.E.=21​mv2=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: While observing distant hydrogen lines using a 5000 line/cm diffraction grating spectrometer, for…

A:

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

Q: Explain whether the following statements are true or false. (a) When the primary electron beam in…

A: As the  beam is defocused to get electron beam of higher intensity and larger spot size to improve…

Q: 15. How many photons are emitted by a 5.00 mW laser in 10.0 s if the photons have a wavelength of…

A:

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…

A:

Q: The resolving power of a microscope depends on the wavelength used. If you wanted to "see" an atom,…

A: Resolution of a microscope is defined as the shortest distance between two points that can be…

Q: (ii). Calculate the de Broglie wavelengths of the following objects and discuss the relevance of…

A: Given: A neutron Mass of neutron, Velocity of neutron, To find: De broglie wavelength of the…

Q: 14. Consider the case of a “collision" between a photon and a free proton, initially at rest. What…

A: Let us assume a photon collides with a stationary proton instead of the electron and scatters. Since…

Q: For the given figure, there is a tissue and vessel in the middle. 0.5 cm 1000 X-ray photons per m?…

A:

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 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

Q: The longest wavelength of light that causes electrons to be ejected from the surface of a copper…

A:

Q: Increasing wavelength

A: 21-Gamma rays 22- X-rays 23- Ultraviolet rays 24- Infrared rays 25- Radio waves

Q: 3. A 50 mW, 500 nm collimated laser light is incident upon a 2mm thick tissue sample with the…

A:

Q: 5. A solar simulator light source has the following spectral irradiance. W 400nm <A < 800nm: Ted =…

A: Concept used: Irradiance of source of light is energy emitted by light source per unit time per unit…

Q: in Compton scattering A 1.20 nm wavelength X-ray is fired at the target and scattered at an angle of…

A:

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

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: Spider-Man is expected to be agile and acrobatic, exactly like a spider would be. One superpower…

A: Given data: Distance covered d=5 miles. Time taken t=4 sec. de-Broglie wavelength λ=1.62×10-38 m.…

Q: When the voltage applied to an X-ray tube increases from 10 to wavelength difference between the Kỵ…

A:

Q: 10. Light of wavelength 471 nm is directed at a metal surface, and it is found that pho- toelectrons…

A:

Q: We have a fiber optics link that uses a semiconductor pin photodiode which has the following…

A: A photodiode is a pn-junction semiconductor diode that converts light into an electrical signal (or,…

Q: A beam of monochromatic (single energy) photons are incident on a slab of aluminum with thickness of…

A: Solution: Calculate the intensity of the beam after the first slab using the following relation.…

Q: 2. When discussing Bragg scattering we showed that constructive interference between waves…

A:

Q: (c) -27 i. A thermal neutron has an energy of E= 0.025 eV and a mass of 1.675 x 107 kg. Calculate…

A: Energy (E) = 0.025 eV mass (m) = 1.675 × 10-27 kg We know that planks constanth = 6.6 × 10-34 J-s

Q: / Prove that the change in avelength when a beam of ays falls on a metal plate is given by the…

A:

Q: 3- When ultraviolet light with a wavelength of 230 nm shines on a particular metal plate, electrons…

A:

Q: 5. Answer the following questions: (a) What is the energy of a 650-nm photon? (5 points) (b) What is…

A: a) here wavelength = 650nm  b) momentum = 2.2×10-23Kg m/s