Find the uncertainty in momentum of the helium atom

Assignment Help Physics

Reference no: EM13258255

Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position. Suppose that this restricts the uncertainty in the position to 0.19 nm.

(a) Find the uncertainty in momentum of the helium atom. Use deltax * deltapx >= h/2 for the uncertainty principle.

(b) Find the uncertainty in the kinetic energy of the helium atom. At low pressures, the bonds between helium atoms are not very strong. They cannot hold together atoms with this amount of kinetic energy. The zero point motion produced by the connement of the helium atom is great enough to break the bonds. For this reason helium does not form a solid at low pressures, even at absolute zero temperature. Helium forms a solid only if high pressure on its surface assists the bonds in holding together the atoms.

Reference no: EM13258255

Questions Cloud

Provide examples of a correctly designed : Discuss and provide examples of a correctly designed and coded class definition and then provide an example of how the objects of that class would be instantiated.

What is a fair price for the investment : The required rate of return is 10%. What is a fair price for the investment - assuming the discount rate and expected cash flows don't change - exactly 3 years from today. (In other words, what would the investment sell for in 3 years?

Which one is truly the better offer : You are quoted two loan rates: 1) a 9% APR with weekly compounding and 2) a 9.2% APR with yearly compounding. Which one is truly the better offer? Do the necessary calculations to support your answer.

State koh solution is added the ph in the titration flask : 50.00 mL of 0.10 M HNO2 (nitrous acid, Ka = 4.5 ´ 10-4) is titrated with a 0.10 M KOH solution. After 25.00 mL of the KOH solution is added, the pH in the titration flask will be

Find the uncertainty in momentum of the helium atom : Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom

Disclosure requirements for non-listed companies : Which of the following schedule provides disclosure requirements for Non-Listed Companies under Companies Ordinance 1984?

Discuss the prima facie case of age discrmination : Security Applications manufactures home- and business-related physical security systems designed to protect property while the owners are away or asleep.

Example of financial risk : Which one of the following is NOT an example of Financial Risk?

What is the policy consideration behind the relevant rule : The Police Commissioner is under pressure to solve a murder and offers $100,000 for information leading to an arrest and conviction of the culprit.

User Account

All Pages