Properties of Light. ELECTROMAGNETIC WAVES Light is an example of an electromagnetic wave. It requires no medium through which to travel.
Medical uses of Ultrasound. Bats! Bats navigate using ultrasound.
7. Channel Models. Signal Losses due to three Effects: 1. Large Scale Fading: due to distance 2. Medium Scale Fading: due to shadowing and obstacles 3.
Technician License Class Propagation, Antennas and Feed Lines.
Lecture 1 The big picture: Origin of the Earth §What is Geology about? §The origin of the Universe §The solar system §Planet Earth and its dynamic systems.
Extra-Solar Planets Astronomy 311 Professor Lee Carkner Lecture 24.
This Set of Slides This set of slides covers finding distance in space, parallax review and limitations, some more physics (of light), the Inverse Square.
Spectrum from a Prism. Example of a Spectrum Kirchoff’s Laws.
Photons of Light The smallest unit of light is a photon A photon is often called a particle of light The Energy of an individual photon depends on its.
Chapter 11 Surveying The Stars Surveying The Stars.
A spectrometer is an optical instrument used to measure properties of light over a specific portion of the electromagnetic spectrum. In astronomy, spectrometers.
Physics 55 Monday, October 17, 2005 1.What light can tell us, continued 2.Application of thermal emission to greenhouse warming. 3.Doppler shift with application.
