What must be the rate of alpha particles incident on 9be

Assignment Help Physics
Reference no: EM131014046

A PuBe source has a neutron activity of 1.6 X 105 Bq. The neutrons are produced by the 9Be(a, n)12C reaction with an effective cross section of 90 mb and thickness of 3.2 cm.

(a) What is the probability of an incident alpha particle interacting with a 9Be nucleus?

(b) What must be the rate of alpha particles incident on 9Be?

(c) What must be the amount of mass of the 239Pu producing the alpha particles?

Reference no: EM131014046

Questions Cloud

Plan that includes future profitability : Discuss the marketing research tools that you used in your marketing strategy.
Why are storage rings useful for high-energy accelerators : What are the characteristics of the following conservation laws: mass-energy, electric charge, linear momentum, angular momentum, baryon number, lepton number? Explain how they are related to fundamental laws of nature. Why are storage ring..
Evaluate supply chain performance of the companies : Analyze how each of their goods and service design concepts are integrated.
Describe the key elements for effective documentation : Describe at least six types of user and technical documentation that you are likely to come across in an ICT environment - describe the process that you would use to review current versions of technical and user documentation.
What must be the rate of alpha particles incident on 9be : A PuBe source has a neutron activity of 1.6 X 105 Bq. The neutrons are produced by the 9Be(a, n)12C reaction with an effective cross section of 90 mb and thickness of 3.2 cm. What is the probability of an incident alpha particle interacting with a 9B..
How many atoms of 90sr are released : 90Sr is one of the most deadly products of nuclear ?ssion. Assume that 4% of the ?ssion fragment yield from a 235U atomic bomb is 90Sr. In a nuclear interchange on the planet Inhospitable, 1000 atomic bombs, each corresponding to the ?ssion of 100..
What is the q value of the reaction : The mass of 34Si is determined by the 30Si(18O, 14O)34Si reaction initiated by 100-MeV 18O particles. The outgoing particles have 86.63 MeV of energy, which can be determined only by measuring the 14O energy and using the conservation of momentum ..
Write the entire ?ssion reaction : Compare the following: (a) total atomic binding energy of 1.0 kg of hydrogen atoms, (b) nuclear binding energy of 1.0 kg of deuterons, and (c) annihilation energy of 0.50 kg of protons with 0.50 kg of antiprotons. (d) Comment on the relative order..
Find the effective cross section for thermal neutrons : In a nuclear reactor, the effective cross section for thermal neutrons in uranium is the weighted average of the cross sections for the 235 and 238 isotopes present. The thermal neutron cross section is zero for 238U and 580 barns for 235U. Find..

Reviews

Write a Review

Physics Questions & Answers

  What is the magnitude of the final acceleration of object

Four force vectors act simultaneously on a 65 kg object. Force One is 211 N West, Force Two is 193 N at an angle 28.0 degrees north of west, What is the magnitude of the final acceleration of the object

  Find how many times higher will it go than it would on earth

The acceleration due to gravity on the Moon is about one-sixth what it is on Earth. how many times higher will it go than it would on Earth

  Evaluate what would be the pulse rate

An astronaut is traveling in a space vehicle that has a speed of 0.520c relative to Earth. The astronaut measures his pulse rate at 77 per minute. Evaluate what would be the pulse rate if the speed of the space vehicle were increased to 0.910c

  Calculate the equivalent resistance

Four resistors 13 ohm, 17 ohm, 19 ohm, and 32 ohm are in parallel. Calculate the equivalent resistance

  How far away is the reflecting surface

A railroad whistle is sounded. An echo is heard 5.0 seconds later. If the speed of sound is 343m/s, how far away is the reflecting surface?

  A pressure drop of 50 kpa due to fluid friction

1. A pressure drop of 50 kPa due to fluid friction through 1-in wrought iron pipe ismeasured. The fluid flows at a rate of 0.04 kg/s. The fluid viscosity is 2 cP and itsdensity is 1000 kg/m3. Find the length of the pipe?

  Determine the angular acceleration

Determine the angular acceleration

  Determine the frequency of the resulting oscillation

An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, the spring stretches by 4.8 cm before reaching a new equilibrium. What is the frequency of the resulting oscillation

  Find the frequency of the reflected sound wave heard

An ambulance siren is the source of sound emitted with a frequency of 1600 Hz. What is the frequency of the reflected sound wave heard at the ambulance

  Determine how long after the blue ball is thrown

A blue ball is thrown upward with an initial speed of 21.8m/s, from a height of 0.6m above the ground. 2.7 seconds after the blue ball is thrown, How long after the blue ball is thrown are the two balls in the air at the same height

  Assuming theta 449 and the base of the prism is mirrored

a light ray is travelling in air is incident on one face of a right angle prism with index of refraction n1.5 and the

  Between the plates and the force on the charge

An electron moving from the negative terminal to the positive terminal of a 12 volt battery gains(or loses) how much energy? Indicate whether it is a gain or lost in energy. Why Sketch the two terminal "plates" of the battery and theelectric field ..

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