the absolute value of the critical value

Q: Find the distance of closest approach of an 8.0-MeV alpha particle incident on a gold foil.

A: When a positively charged particle gets close to a nucleus it will start exchanging its kinetic…

Q: An isotope of beryllium (atomic mass of 7.017 u) emits a y ray and recoils with a speed of 1.07 x…

A: Solution: Given: 1 u = 1.6605 x 10-27 kg h = Planck's constant = 6.63 x 10-34 J.s m = mass of Be…

Q: QUESTION 19 In 1911, when Rutherford observed alpha particles being scattered at back angles from a…

A: From Rutherford experiment on scattering of alpha particle in gold foil he observed that most of the…

Q: An isotope of beryllium (atomic mass of 7.017 u) emits ay ray and recoils with a speed of 2.07 x 104…

A:

Q: An alpha particle has a matter wavelength of 1.89 mA. Calculate its speed.

A:

Q: Rutherford found the size of the nucleus to be about 10-15 m. This implied a huge density. What…

A: Given Data:Diameter of gold atom To Determine:The density of gold atom.

Q: Find the distance of closest approach of an 5.0-MeV alpha particle incident on a gold foil.

A: Since the nucleus is positively charged any positively charged particle getting close will…

Q: Find the neutron separation energy of 'Li

A: The amount of energy that is required to remove all nucleons from a nucleus is called binding…

Q: 71. Estimate the wavelength of the Ka X-ray from calcium.

A: As we know that,the freqency f of the Kα Lie is related to the atomic number z by Mosley's…

Q: Draw Bohr-Rutherford diagram for tritium

A: Tritium or Hydrogen-3 is an isotope(having the same atomic number Z but different mass number A) of…

Q: Rutherford found the size of the nucleus to be about 10-15 m. This implied a huge density. What…

A:

Q: 4-A 12-mA electron beam is accelerated through a potential difference of 2 x 105 V in an X-ray tube…

A: Potential difference in an X-ray tube,Atomic number of  tungstan Z = 74(a) Estimate the fraction of…

Q: 16 Find the radius of a nucleus of (a) 16 0 8 3.02e-3 (b) He 2 1.905e-3 X fm X fm 8 O and 4 He. 2

A:

Q: Suppose our E-field measurement has an uncertainty of 0.25 kV/m and our radius of curvature…

A:

Q: Electrons in higher orbits (farther from the nucleus) have than orbits closer to the nucleus. O the…

A:

Q: Rutherford found the size of the nucleus to be about 10-15 m. This implied a huge density. What…

A: Diameter of gold atom, d=10-15 m We have to determine the density of gold.

Q: Because electron is lighter that the nuclei by a factor of 2000 and there are different timescales…

A: Answer: The given statement is True.

Q: Which scientist determined that electrons had predicted zones orbiting the nucleus?

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Q: Explain the structure of the atom in general

A: Solution

Q: By using the principle of accuracy, he proved the impossibility of the electron being inside the…

A:

Q: What is the Quantum number for 22nd e?

A: There are basically four quantum numbers: Principal, n. Angular momentum or azimuthal, l. Magnetic,…

Q: How many neutrons does a 37 Cl atom have? 35 neutrons 17 neutrons 20 neutrons 35.45 neutrons 37…

A: The atomic number of chlorine is 17, therefore the number of protons in the nucleus is 17 and hence…