91Ó°ÊÓ

(a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b) What is its energy in MeV?

Why don't we notice quantization in everyday events?

Suppose a speck of dust in an electrostatic precipitator has \(1.0000 \times 10^{12}\) protons in it and has a net charge of -5.00 nC (a very large charge for a small speck). How many electrons does it have?

(a) What is the wavelength of a photon that has a momentum of \(5.00 \times 10^{-29} \mathrm{~kg} \cdot \mathrm{m} / \mathrm{s} ?\) (b) Find its energy in \(\mathrm{eV}\).

At what velocity does a proton have a 6.00-fm wavelength (about the size of a nucleus)? Assume the proton is nonrelativistic. \(\left(1\right.\) femtometer \(=10^{-15} \mathrm{~m}\).)

A LiBr molecule oscillates with a frequency of \(1.7 \times 10^{13} \mathrm{~Hz}\). (a) What is the difference in energy in \(\mathrm{eV}\) between allowed oscill (b) What is the approximate value of \(n\) for a state having an energy of \(1.0 \mathrm{eV}\) ?

What is the longest-wavelength EM radiation that can eject a photoelectron from silver, given that the binding energy is \(4.73 \mathrm{eV}\) the visible range?

An amoeba has \(1.00 \times 10^{16}\) protons and a net charge of \(0.300 \mathrm{pC} .\) (a) How many fewer electrons are there than protons? (b) If you paired them up, what fraction of the protons would have no electrons?

A relatively long-lived excited state of an atom has a lifetime of \(3.00 \mathrm{~ms}\). What is the minimum uncertainty in its energy?

The difference in energy between allowed oscillator states in HBr molecules is \(0.330 \mathrm{eV}\). What is the oscillation frequency of this