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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.
what is charge?
Correspondence limit (N. Bohr) The restriction at which a more general theory decrease to a more specialized theory while the conditions that the specialized theory needs are t
Newtons Law of Inertia Car and The Wall As per to Newton's first law, an object within motion continues in motion along with the similar speed and in the similar direction unle
Stefan-Boltzmann constant; sigma (Stefan, L. Boltzmann) The constant of proportionality exist in the Stefan-Boltzmann law. It is equivalent to 5.6697 x 10 -8 W/m 2 /K 4 .
Describe an echo. What is the minimum distance needed to form an echo. Write its application.
Describe Acceleration In physics, acceleration is the rate at that the velocity of a body changes with time. In common, velocity and acceleration are vector quantities, along w
Which of the following particles has more electrons than neutrons: (1) C (2) F- (3)O -2 (4)Al +3 Ans: O -2
Surface tension can be explained in given possible ways: (i) The property of a liquid on account of which it tends to keep minimum number of molecules in its free surface is d
Explain the Thermodynamics - Heat and Work Thermodynamics is an area of science which looks at how changes in energy, work and the flow of heat influence each other. It can exp
is it possible for the couple forces to be more than two?
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