Purchase Solution

Photon and Radio Waves

Not what you're looking for?

Ask Custom Question

A radio station broadcasts at a frequency of 1MHz with a total radiated power of 5000 watts.
(a) What is the wavelength of this radiation?
(b) What is the energy (in electron-volts) of the individual quanta that compose the radiation? How many photons are emitted per second? per cycle of oscillation?
(c) A certain radio receiver must have 2 microwatts of radiation power incident on its antenna in order to provide intelligible reception. How many 1MHz photons does this require per second per cycle of oscillation?
(d) Do your answers to parts (b) and (c) indicate that the granularity of electromagnetic radiation can be neglected in these circumstances?

Purchase this Solution

Solution Summary

This solution answers a series of physics question regarding wave lengths and energy.

Solution Preview

Please see the attached file for the complete solution.

Solutions:
A radio station broadcasts at a frequency of 1MHz with a total radiated
power of 5 kW.
(a) What is the wavelength of this radiation?
Radio Waves are just light, so knowledge of the frequency gives us the wavelength:
X: v / f: (3 X 108 m/s) / (1x106 ...

Purchase this Solution


Free BrainMass Quizzes
Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Basic Physics

This quiz will test your knowledge about basic Physics.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.