Atomic and Nuclear Physics Answers

An X-ray tube emits X-rays with a wavelength of 1.0 x 10-11 m. Calculate the energy, in electron volts, that the X-rays possess.

_____ eV

Calculate the energy,in electron volts,of x-rays that have a frequency of 1.0×1019Hz

Give expressions which define the quantities kerma, exposure and dose in terms of energy fluence and appropriate interaction coefficients. Define each of the terms.

The age of the dead sea scrolls was measured using radiocarbon dating. If the measurement gives a ratio of 0.78 for the ratio of the activity in the sample to the activity in a sample of corresponding live material of similar mass, calculate the age of the scrolls.

Complete the nuclear equations below. Which of them is an incorrect nuclear equation?
121SB->121Sn+-1B

238U->234Th+4/2a

10Be->10B+0/-1B

190Pt->186Os+4/2a

The half-life of a certain radioactive isotope is 32 hours. What fraction of the sample would remain after 16 huors?

0.50
0.25
0.62
0.71

The half-life of a certain radioactive isotope is 32 hours. What fraction of the sample would remain after 16 huors?
0.50
0.25
0.62
0.71

A spectral line is emitted when an atom undergoes transition between two levels with a difference in energy of 2.4eV. What is the wavelength of the line?
287nm
507angstrome units
377angstrome units
518nm

is it any relation between energy of x rays nd potential between anode nd cathode during x ray production?

what is the effect of radioactive pollution?