In a neutron star the entire star’s mass has collapsed essentially to nuclear density. For a neutron star with radius 10 km and mass 4.50 x 1030 kg, find the Fermi energy of the neutrons

Q: Why transmission of electrons occurs at metal boundary during thermionic emission? Derive the…

A: Thermionic emission is a process by which electrons can be emitted from a metal surface by simply…

Q: Show that a homogeneous, natural uranium-graphite moderat not become critical. Use the following…

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Q: Q. 8: K.E. per unit volume is given by 3 2 (a) E=P (b) E=² 3 3 (c) E=mv² (d) None of these…

A: We need to compute- K.E. per unit volume=? The data given as- K.E. of gas molecules.

Q: Given mass of the sun, Ms = 2 x 1023 g , estimate the number of free • electrons in the sun.

A: Given The mass of sun is Ms=2×1023 g. The total charge on this sun in coulomb is around Q = 77 C.…

Q: Nanotechnology, the field of trying to build ultrasmall structures one atom at a time, has…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Suppose we have an ideal fermion gas of identical particles in a "box" at T = 0 K. Which of the…

A: a. True. At T=0 K, all fermions occupy the lowest available energy states in the box, which is the…

Q: if a record sample has rate of 44100Hz, how many samples are required to capture 0.25s?

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Q: an alpha particle scattering experiment, it is determined that the ratio of the cross-sectional area…

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Q: 234U has an time constant 3.11 x10° years. How long will it take to reduce a sample of 6,571 234 U…

A: Given: Time constant, τ=3.11×105 years Number of atoms initially, No=6571  atom Number of atoms…

Q: A first order reaction A-B is being carried out in a CSTR. The feed stream containing reactant "A"…

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Q: Calculate the collision density for a sample of Argon at 100,000 Pa and 298 K. Assume the value for…

A: If you can't read it. Na = 2.43 x 10^25

Q: An n-type Ge sample is usually used in the Shockey experiment. The length of the sample is 1 cm and…

A: A proportionality relation between the gradient of concentration and the flux is termed as the…

Q: J J 1.5kg of solid Hibernium is at a temperature of 5°C. Hibernium has a melting point of 60°C, its…

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Q: A Geiger–Muller tube is a type of gas‑filled radiation detector. It can detect particles like…

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Q: The rate of a simple enzyme reaction is given by the standard Michaelis–Menten equation: rate = Vmax…

A: Given: Rate = Vmax SS+km

Q: You have a 2.8 mol pure sample of an unknown material. After 4.7 h, you discover that 89% has…

A: Given problem is based on the law of radioactive decay.

Q: 14. * A child plays on a bungee cord and oscillates with a certain frequency f. An adult with a mass…

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Q: Two monoenergetic neutron beams of intensities I1=2x1010 neutrons/cm2.s and I1=1x1010 neutrons/cm2.s…

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Q: . Determine the resistivity of a germanium crystal at 300 K that has the simultaneous presence of…

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Q: O:22) Use fermi approximation to determine the number of softballs that can fit in a 1 meter cube.…

A: Given,side of cube=1m=100cmVolume of cube box =(100cm)3=106 cm3Lets assume radius of softball is…

Q: Boltzmann distribution a) There are 1000 molecules are bouncing at 300K between two wells separated…

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Q: calculate the fermi temperature for element X. where its fermi energy is 4.69 ev

A: Given data: Fermi energy (Ef)= 4.69 eV k = 1.3807 x 10-23 J/K Convert the energy eV to J 1 eV =…