Questions from College Physics

Q: The resolving power of a microscope is proportional to the wavelength used

The resolving power of a microscope is proportional to the wavelength used. A resolution of 1.0 x 10-11 m (0.010 nm) would be required in order to “see” an atom. (a) If electrons were used (electron m...

Q: A nonrelativistic particle of mass m and charge q is accelerated from

A nonrelativistic particle of mass m and charge q is accelerated from rest through a potential difference ΔV. (a) Use conservation of energy to find a symbolic expression for the momentum of the parti...

Q: In the ground state of hydrogen, the uncertainty in the position

In the ground state of hydrogen, the uncertainty in the position of the electron is roughly 0.10 nm. If the speed of the electron is approximately the same as the uncertainty in its speed, about how f...

Q: An electron is located on a pinpoint having a diameter of 2

An electron is located on a pinpoint having a diameter of 2.5 μm. What is the minimum uncertainty in the speed of the electron?

Q: An electron and a 0.0200 - kg bullet each have

An electron and a 0.0200 - kg bullet each have a velocity of magnitude 5.00 x 102 m/s, accurate to within 0.0100%. Within what lower limit could we determine the position of each object along the dire...

Q: In a nonrelativistic experiment, an electron and a proton are each

In a nonrelativistic experiment, an electron and a proton are each located along the x - axis to within an uncertainty of 2.50 μm. Determine the minimum uncertainty in the x - component of the velocit...

Q: A student sets up a double - slit experiment using monochromatic light

A student sets up a double - slit experiment using monochromatic light of wavelength λ. The distance between the slits is equal to 25 λ. (a) Find the angles at which the m = 1, 2, and 3 maxima occur o...

Q: The average lifetime of a muon is about 2 μs. Estimate

The average lifetime of a muon is about 2 μs. Estimate the minimum uncertainty in the energy of a muon.

Q: (a) Show that the kinetic energy of a nonrelativistic particle

(a) Show that the kinetic energy of a nonrelativistic particle can be written in terms of its momentum as KE = p2/2m. (b) Use the results of part (a) to find the minimum kinetic energy of a proton con...

Q: A microwave photon in the x - band region has a wavelength

A microwave photon in the x - band region has a wavelength of 3.00 cm. Find (a) The momentum, (b) The frequency, and (c) The energy of the photon in electron volts.