What is the minimum energy the ?-ray

Assignment Help Mechanical Engineering
Reference no: EM131098807

Threshold for pair production by a photon A high energy photon (γ-ray) collides with an electron and produces an electron-positron pair according to the reaction

1598_95bdff61-a6d5-423c-b669-1b1513699b50.png

What is the minimum energy the γ-ray must have for the reaction to occur?

Reference no: EM131098807

Questions Cloud

Pessimistic about the future health of the economy : Suppose that consumers become pessimistic about the future health of the economy. What will happen to aggregate demand and to output? What might the president and Congress of the US have to do to keep output stable?
Explain the significance of stage eleven the resurrection : Identify, describe, and explain the significance of stage eleven, "The Resurrection," in a persuasive analysis of Sunjata
What will be the percent change in quantity demanded : If the price elasticity of demand for used cars priced between $3,000 and $5,000 is 1.2 (using the mid-point method), what will be the percent change in quantity demanded when the price of a used car falls from $5,000 to $3,000?
Short-run effect of decision on the economy : Draw an aggregate-demand / aggregate-supply diagram to show the short-run effect of this decision on the economy. Label the new levels of prices and real output. Explain in words why the aggregate quantity of output supplied changes.
What is the minimum energy the ?-ray : What is the minimum energy the γ-ray must have for the reaction to occur?
How the use of color-shading-borders and protection : Explain how the use of "color, shading, borders and protection" can enhance a spreadsheet model. What is the key disadvantage of performing "Best Case" / "Worst Case" analysis? BONUS: Complete the following: Crystal Ball (or @RISK) allows the Excel..
Includes a term oscillating at the fundamental frequency : Example of the third-order response. The third-order polarization includes a term oscillating at the fundamental frequency and given by
Important in leading and motivating subordinates : Based on the readings from the course text, please identify the leadership traits, skills, and behaviors that you consider the most important in leading and motivating subordinates.
For the classical anharmonic oscillator model : Kramers-Kronig relations. For the classical anharmonic oscillator model of Eq. (1.4.20) show by explicit calculation that χ(2) (2ω;ω,ω) obeys the Kramers-Kronig relations in the form (1.7.12). Show also that χ(2) (ω1;ω3,-ω2) does not satisfy Kram..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the power produced

A small scale hydraulic power system has an elevation difference between the reservoir water surface and pond surface temperature downstream of turbine is 10m. The flow rate through the turbine is 1m^3/s. The turbine efficiency is 83%. Determine t..

  Two-phase liquid-vapor mixture

Four kg of water at 100°C fill a closed container having a volume of 1 m3. If the water at this state is a vapor, determine the pressure, in bar. If the water is a two-phase liquid-vapor mixture, determine the quality.

  A motor car shaft consist of a steel tube 30 mm internal

a motor car shaft consist of a steel tube 30 mm internal diameter and 4 mm thick .thee engine develops 10kw at

  Kinetic coeffecients between the ball and the lane

determine the velocity of its center when it reaches the end of the bowling lane.The ball is always in contact with the bowling lane during its motion. the bowling ball may be assumed to be a uniform solid sphere with a mass of 7 kg and diameter o..

  Sketch the steady-state temperature and heat flux

a composite rod consists of two different materials a and b each of length 0.5 l. the thermal conductivity of material

  Why is the carnot cycle not suitable as an ideal cycle

why is the carnot cycle not suitable as an ideal cycle for all the power producing devices ?

  Calculate the roof temperature for the following

the horizontal roof of a building is coated with black tar. the roof is well-insulateed underneath while the upper

  The volume at the beginning of compression is three times

in an air compressor the pressure at inlet and outlet are 1bar and 5bar respectively. the temperature of the air at

  Find a suitable generating function

Prove that the transformation Q1 = q12 Q2 = q2 sec p2 p cos p2 - 2q2 P= 1 P2 = sin p2 - 2q1 1 2q1 cos p2 is canonical, by any method you choose . Find a suitable generating function that will lead to this transformation.

  Determine the maximum diameter of a steel ball that would

contrary to what you might expect a solid steel ball can float on water due to the surface tension effect. determine

  One-half pound of water executes a carnot power cycle

one-half pound of water executes a carnot power cycle. during the isothermal expansion the water is heated at 600

  Occupies the space between two cylinders

SAE-30 oil at 80-C occupies the space between two cylinders, 2 and 2.2 cm in diameter. The outer cylinder is stationary and the inner cylinder rotates at 100 rpm. Is the oil in a laminar or turbulent state if Recrit ¼ 1700? Use Re ¼ or1d=n, where ..

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