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

Keep concentrations of ions constant - Function of Kidney, Keep the Concent...

Keep the Concentrations of Ions Constant Keep the concentrations of various ions and other important substances constant. A number of chemicals are important to the blood chemi

Precautions in lasers nonionising radiations, Precautions : The following ...

Precautions : The following must always be observed while dealing with lasers. 1) Never look along a laser beam or expose any part of your skin to it. Beware of reflected laser

What are the climatic factors of fertilizer requirements, What are the Clim...

What are the Climatic factors of fertilizer requirements  These include temperature, rainfall and its distribution, evaporation, length of day and growing season.  A cool clima

What is the role of irb/iec in site close out, Question 1 What is the role...

Question 1 What is the role of Clinical Research Associate (CRA) in a Clinical Research Organization? Question 2 List the events prior to Site Close Out. What is the role of

Forest cover, Forest cover: An analysis of satellite imageries and ai...

Forest cover: An analysis of satellite imageries and air photos indicates that in  1982 about  1 I%of land area in India was thick forests and the remaining 3% degraded or th

Emergence of science, Emergence of Science: We gave you a glimpse of ...

Emergence of Science: We gave you a glimpse of  the social structure in  India during the Iron Age. With the emergence of ordered urban societies, the stage was set for a tre

Erkinson develpomental theory, Maureen is a 50 year old married mother of t...

Maureen is a 50 year old married mother of three school age children. She works part-time at the local bank as a teller. She is going through menopause and is finding it very annoy

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