Atomic and Nuclear Physics Answers

Write down the wave function ψ(x) for an electron in the n = 3 state of a 10 nm wide infinite well with the center of the well being at x = 0. What numerical values does the function have at x = 0, 2, 4, 8, and 10 nm?

A wooden boat is found buried beneath the ocean floor. Scientists believe that timbers making up the boat had 16 g of carbon-14 in them when alive. They now have 4.1 g of carbon-14. How old is the boat if the half-life of carbon-14 is 5715 years?

Say you are walking around the track and you stop at the same point where you started.How would you describe the distance you walked be your displacement

A wooden boat is found buried beneath the ocean floor. Scientists believe that timbers making up the boat had 8 g of carbon-14 in them when alive. They now have 2.3 g of carbon-14. How old is the boat if the half-life of carbon-14 is 5715 years?

If the half-life of an isotope is 3 years, what fraction of the isotope remains after 4 years? (put fraction in as decimal)

A cannon fire a ball off of a 20.0 m high cliff. What is the range of the cannon if fired at 100.0 m/s at a 30.0 degree angle?

What kind of charges enter each end of p region in a forward biased on junction?

Why is single Crystal structure desirable in semiconductor devices?

What is the reason of adding donor and acceptor element to a semi conductor? Choose an element that for an acceptor impurity and one for donor impurity.

Why does reverse saturation current increase with temperature? How fast does it increase for silicon?