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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.
Sound Waves and the Eardrum While a pressure wave reaches the ear and a series of high and low pressure regions impinge upon the eardrum. An arrival of a compression or high pr
A trick with surface tension Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
6.1 moles of steam at 100 o C are condensed at 100 o C and the resulting water is cooled to 47.1 o C. Calculate the entropy change for this process. (The molar heat capac
A parallel plate capacitor, each with plate area A and separation d, is charged to a potential dissimilarity V. The battery used to charge it is then disconnected. A dielectric sla
At serve, a tennis player aims to hit the ball horizontally. What minimum speed is required for the ball to clear the 0.90 m high net about 15.0 m from the server if the ball is “
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A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. W
P r oblem Solving Technique There are two approaches to solve a problem. They are:- 1. Top down -A top down design approach starts by identifying the major components
Draw a free-body diagram for the space shuttle just after it leaves the ground. Recognize the forces acting on the shuttle. Make sure that you do not neglect air resistance.
With the help of a neat and labelled diagram, describe the underlying principle and working of a moving coil galvanometer. What is the function of? (i) Uniform radial field
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