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Atomic and Nuclear Physics
1. A decommissioned nuclear power station still produces 0.5 MW of power five years after being turned off. Assuming that each decay releases 0.16 MeV of energy, calculate activity of the reactor in Kilo becquerels (KBq).
2. The ratio of carbon-14 to carbon-12 in a prehistoric wooden artifact is measured to be one-sixteenth of the ratio measured in a fresh sample of wood from the same region. The half life of carbon-14 is approximately 5,730 years. Determine its age.
3. What was the effective dose received by a cancer patient who received 2.8nSv to his lung and 350(mu)Sv to his colon. Compare your result with a normal background radiation and make and informed guess as to how likely the patient is to develop somatic effects after treatment
2. The ratio of carbon-14 to carbon-12 in a prehistoric wooden artifact is measured to be one-sixteenth of the ratio measured in a fresh sample of wood from the same region. The half life of carbon-14 is approximately 5,730 years. Determine its age.
3. What was the effective dose received by a cancer patient who received 2.8nSv to his lung and 350(mu)Sv to his colon. Compare your result with a normal background radiation and make and informed guess as to how likely the patient is to develop somatic effects after treatment
Atomic and Nuclear Physics
In the rutherford scattering experiment the distance of closest approach for an alpha particle is d. If alpha particle is replaced by a proton, how much kinetic energy in comparison to alpha particle will it require to have the same distance of closest approach d?
Atomic and Nuclear Physics
Calculate the wavelength of a monochromatic UV photon which suffers Compton scattering from electrons at rest so that the angle of scattering of UV photon and the angle of recoil electron emission are both 58o.
Atomic and Nuclear Physics
If the half-life for polonium-218 is 3.05 minutes. How many half-lives have passed for polonium-218 after 9.15 minutes
How much of an 89.6mg sample polonium-218 would remain after 9.15 minutes
How much of an 89.6mg sample polonium-218 would remain after 9.15 minutes
Atomic and Nuclear Physics
what do you mean by pletaue curve in gamma ray? what is the mass absorption coefficient of gamma rays?what is the half value thickness?
Atomic and Nuclear Physics
A sample of radioactive caesium has an internal activity of 1400 Kbps. After 10 days it's activity has dropped to 150 kbq . Use this informantion to Calculate the half life of a source
Atomic and Nuclear Physics
2.) A circular disc of mass 5kg and diameter 0.2m initially at rest attains a angular velocity of 600rpm in 10 sec. Calculate the torque acting on it and the rate at which work is being done at the end of 10 sec
Atomic and Nuclear Physics
the distance moved per unit of time is
Atomic and Nuclear Physics
Obtain an expression for the the energy of an orbital electron in an atom and hence derive an expression for the wave number of radiations emitted by an excited atom ?
Atomic and Nuclear Physics
explain how Rutherford's experiment on the scattering of alpha particles led to the estimations of the size of the nucleus ?
