Determine the number of photons incident on water phantom, Science

Assignment Help:

a. A 2 mm diameter parallel beam of photons each with energy of 100 keV is incident on a water phantom of thickness 15 cm. If the exit exposure is 2 mR (caused by primary photons), determine the number of photons incident on the water phantom.

b. What would be your answer in (a) if the beam diameter was twice as big?

 


Related Discussions:- Determine the number of photons incident on water phantom

Saturn, Uranus Uranus (Fig.) appears as a green disc with vague marking...

Uranus Uranus (Fig.) appears as a green disc with vague markings, even through  the largest telescopes. Its colour is produced  by  the large amounts of methane and ammonia clo

Determine energy flux density and quantum number of electron, a. A point so...

a. A point source of 60 Co emits equal numbers of photons of 1.17 and 1.33 MeV giving a flux density (i.e. fluence rate) of 5.7 * 10 9 photon cm -2 s -1 at a specified location

Define the utilization of fatty acids, Define the Utilization of Fatty Acid...

Define the Utilization of Fatty Acids In the presence of oxygen, fatty acids are utilized to provide energy and heat. Waste products produced are carbon dioxide and water. Fatt

Scientific activity, Describe the factors which decide the broad area of sc...

Describe the factors which decide the broad area of scientific activity?

Lithification of sediments, What types of rocks are formed by the lithifica...

What types of rocks are formed by the lithification of sediments: Sedimentary Rocks

Calculate the velocity of groundwater, The characteristic properties of an ...

The characteristic properties of an aquifer can be used to calculate groundwater velocities, v groundwater (L/T), according to: V groundwater = K H / η (dh/dl) where KH (L/

Explain the process of respiration, Explain the Process of Respiration ...

Explain the Process of Respiration Respiration is the process which deals with the act of respiring or breathing, the act of taking in and giving out air, the aggregate of thos

Explain transverse colon and descending colon, Explain Transverse colon and...

Explain Transverse colon and Descending colon Transverse colon: This is a loop of colon which extends transversely across the abdominal cavity in front of the duodenum and th

Explain the hyposecretion during adult life, Explain the Hyposecretion duri...

Explain the Hyposecretion during Adult Life Hyposecretion during adult life: It is only currently becoming recognized, the usual feature being low blood glucose level (hypoglyc

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd