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1. Consider two monoenergetic photon beams with the same photon fluences. In one beam the photons are 100 keV and in the other they are 1 MeV. Determine the most appropriate relation between both exposures (X).
2. Electrons with kinetic energy of 1.0 MeV have a speci c ionization in air of 6000 IP/m whereas alpha particles of 2.0 MeV have an LET in air of 0.175 keV/μm. What value is closest to the ratio LET(alphas)/LET(electrons) in air.
Can an electron be obtained (or come out) from the nucleus? Yes, electron having energy higher than the ordinary atomic electron might be come out of the nucleus because of be
A horizontal ray hitting a prism with n=1.5, tip angle α=4 o . The ray will be deflected by an angle δ=(n-1)α. The ray is further reflected by a vertical mirror. Now, if I want to
The variable period of a moon of Jupiter, which is the basis of measurement of the speed of light in Roemer's method (whoever heis), is regarded as the Doppler affect. The period o
Why is extended source use in Newtown ''s ring experiment?
Classical free electron theory: The free electron theory of metals using classical laws was developed by Dude and Lorentz in the beginning of last century. That time the va
Which of the following are isoelectronic with one another: (1)Na + ans Ne (2)K + ans O (3)Ne ans O (4)Na + ans K + Ans: Na + ans Ne
Faraday constant; F (M. Faraday) The electric charge carried through one mole of electrons (or singly-ionized ions). This is equivalent to the product of the Avogadro constant
what is virtual displacement?and how is it different from actual displacement?
What is meant by the rest mass energy of an electron? According to the Einstein's Theory of Relativity, the mass of a body (say a particle) occurs on the energy and on the mom
Microprocessor A combination of IC's cal led a microprocessor. The data is processed in the microprocessor according to the instructions given through the input devices. A
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