1. 1. Describe the energy transfersthat occur in a light bulb.2. Describe the energy transfers that occur when the body is powered by food. 2. Wt=50N 1. What is the KE at…

Slide 1Chapter 6: Telescopes – Portals of Discovery Slide 2 Visible light is only one type of electromagnetic radiation emitted by stars Each type of EM radiation travels…

Slide 1 Slide 2 PHYS 206 Matter and Light At least 95% of the celestial information we receive is in the form of light. Therefore we need to know what light is and where…

Slide 1 Physics 7C SS1, Lecture 10 Quiz 4 Quantum Mechanics Evaluations Slide 2 Agenda Any questions about electric potential energy (PE elec ), electric potential (V), their…

Slide 1 What is Light? What are Electrons? Slide 2 Light Is light a wave or a stream of particles? Slide 3 A wave is characterized by its wavelength, frequency, and velocity.…

Slide 1 Electromagnetic Radiation & Electricity RTEC 111 Slide 2 Objectives Properties of photons Visible light, radiofrequency & ionizing radiation Wave-particle…

Slide 1 Slide 2 Light and Telescopes Slide 3 What do you think? What is the main purpose of a telescope? Why do stars twinkle? Slide 4 If you pass white light through a prism,…

Slide 1 A photon checks into a hotel. The desk clerk asks, “Do you need help with your luggage?” The photon replies, “I don’t have any. I’m travelling light.”…

Slide 1 Chapter 3 Light and Telescopes Slide 2 What do you think? What is the main purpose of a telescope? Why do stars twinkle? Slide 3 If you pass white light through a…

Studying space Studying space Telescopes 1 Telescope An instrument that collects electromagnetic radiation from objects in space Concentrates the electromagnetic radiation…