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Atomic and Nuclear Physics
Neutrons from a nuclear reactor are brought into thermal equilibrium by repeated collisions in heavy water at T = 300k. What is the average energy (in eV) and the typical wavelength of the neutrons ? Explain why they are diffracted when they pass through a crystalline solid.
Atomic and Nuclear Physics
The half life of Rn is 3.82 days. Determine the time it takes for 60% of the Rn to decay, the activity of 10 mg of Rn.
Atomic and Nuclear Physics
Neutrons from a nuclear reactor are brought into thermal equilibrium by
repeated collisions in heavy water at T 300 K. What is the average
energy (in eV) and the typical wavelength of the neutrons? Explain why
they are diffracted when they pass through a crystalline solid.
repeated collisions in heavy water at T 300 K. What is the average
energy (in eV) and the typical wavelength of the neutrons? Explain why
they are diffracted when they pass through a crystalline solid.
Atomic and Nuclear Physics
An electric field E can pull an electron out of a Helium atom in the same time that the electron takes
to go around the nucleus once. Then E is
to go around the nucleus once. Then E is
Atomic and Nuclear Physics
For a mole of ideal gas at T = 35 ºC, what is the work done for an isothermal expansion from a
volume V0 to 10V0
Atomic and Nuclear Physics
The 14 C activity of some ancient Peruvian corn
was found to be 10 disintegrations per minute
per gram of C. If present-day plant life shows 15
dmp /g, how old is the Peruvian corn? The half
life of 14 C is 5730 years.
was found to be 10 disintegrations per minute
per gram of C. If present-day plant life shows 15
dmp /g, how old is the Peruvian corn? The half
life of 14 C is 5730 years.
Atomic and Nuclear Physics
The energy release in the reaction A(d, p)B is Q. Show that the neutron separation
energy for nucleus B is Sn = Q + ε, where ε is the binding energy of the deuteron (d)
energy for nucleus B is Sn = Q + ε, where ε is the binding energy of the deuteron (d)
Atomic and Nuclear Physics
Àn oil drop carrying a charge of -3.2*epx-20 C is held stationary between two horizontal parallel plates 5.00mm apart when a p.d. of 500V is applied between the plates. Calculate the mass of the oil drop.
Atomic and Nuclear Physics
X - ray spectrum of a cobalt largest ( Z = 27 ) contains strong K(Alpha) line of wavelength
0.1785 nm and a weak line having wavelength of 0.1537 nm due to impurities. The atomic number of impurity element is?
0.1785 nm and a weak line having wavelength of 0.1537 nm due to impurities. The atomic number of impurity element is?
Atomic and Nuclear Physics
Consider three identical, ideal capacitors. The first capacitor is charged to a voltage V and thendisconnected from the battery. The other two capacitors, initially uncharged and connected in series,are then connected across the first. What is the final voltage across the first capacitor?
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