Homework Help: College Physics II

Posted by VJC on Thursday, November 25, 2010 at 11:33am.

A typical gamma ray emitted from a nucleus during radioactive decay may have an energy of 736 keV. What is its wavelength?

A microwave oven produces electromagnetic radiation at λ = 12.1 cm and produces a power of 778 W. Calculate the number of microwave photons produced by the microwave oven each second

College Physics II - drwls, Thursday, November 25, 2010 at 12:24pm
Gamma rays travel at the speed of light, 3*10^8 m/s. You can get the frequency f from the Planck relation
E = h*f
h is Planck's constant.
Get to know it.

Convert 736,000 eV to Joules.
1 eV = 1.6*10^-19 J
E = 736 keV = 1.18*10^-13 J
f = E/h = ___
wavelength = c/f = _____

Answer this Question

Related Questions

chemistry - Cobalt-60 is radioactive isotope used to treat cancers. A gamma ray ...
Chemistry - Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ...
Chemistry/Physics - "Colbalt-60 is a radioactive isotope used to treat ...
radioactive decay - What elements results if one of the neutrons is in a ...
physics - Find Beta and Gamma for an electron that has a kinetic energy of 6.00...
Physics - When uranium 92U235 decays, it emits a ray. If the emitted ray has a ...
College Physics - A gamma ray (a high-energy photon of light) can produce a ...
chemistry - What is the wavelength of the transition from n = 2 to n = 1 for ...
Chemistry please check - 1. All of the naturally occurring radioactive decay ...
Photon Energy - How much energy is contained in 1 mol of each of the following? ...

For Further Reading

First Name:
School Subject:
Answer: