'High frequency waves' presentation slideshows

Grade 8 Science Unit 2: Optics

Grade 8 Science Unit 2: Optics. Chapter 4 : Many properties of light can be understood using a wave model of light. Lasers. The History of Light. Pythagoras A Greek philosopher Believed that beams of light were made of tiny particles .

3.58k views • 57 slides

Sound Waves

762 views • 51 slides

Intro to Physics

Intro to Physics. 2 nd semester topics for final exam pt. 2. Waves. Mechanical waves. Non-mechanical waves. Fastest through a vacuum, slowest through solids Can travel through matter or space Ex: electromagnetic waves. Fastest through solids, slowest through gases

580 views • 48 slides

Introduction

Introduction. Lecture # 1. Overview. Fundamentals of wireless communication technology The electromagnetic spectrum Radio propagation mechanisms Characteristics of the wireless channel Modulation techniques Multiple access techniques Error control Computer networks

601 views • 46 slides

Forces, Waves, and Electricity

Forces, Waves, and Electricity. Georgia High School Graduation Test: Science Review Mrs. Kirby. Introduction. From the key vocabulary, circle the words that you can already define or use in a sentence. Write down two or three things that you think are important for you to know today.

520 views • 37 slides

Forces, Waves, and Electricity

Forces, Waves, and Electricity. Georgia High School Graduation Test: Science Review Mrs. Kirby. Introduction. From the key vocabulary, circle the words that you can already define or use in a sentence. Write down two or three things that you think are important for you to know today.

466 views • 37 slides

Forces, Waves, and Electricity

Forces, Waves, and Electricity. Georgia High School Graduation Test: Science Review Mrs. Kirby. Introduction. From the key vocabulary, circle the words that you can already define or use in a sentence. Write down two or three things that you think are important for you to know today.

451 views • 37 slides

KIPP INSPIRE ACADEMY 5 th Grade Science

Review: Separating Mixtures and States of Matter. KIPP INSPIRE ACADEMY 5 th Grade Science. Separating Mixtures- Main Idea!. Pure substances are made of 1 kind of material; cannot be separated into other parts

505 views • 35 slides

Chapter 27 Light

Chapter 27 Light. Early Concepts of Light. Ancient Greek philosophers thought that light consisted of tiny particles which could enter the eye to create the sensation of vision. Socrates and Plato thought that vision resulted from streamers emitted from the eye making contact with an object.

595 views • 26 slides

The two types of wave

The two types of wave. Sound is longitudinal. Sound is made by vibrations. Vocal chords in the throat. Sound travels through the air. Ear drum. Sound source. Displaying sound - oscilloscope. Low pitch. Low frequency. Medium pitch. High pitch. High frequency. Quiet.

311 views • 21 slides

Introduction to Wireless Communication

Introduction to Wireless Communication. History of wireless communication. Guglielmo Marconi invented the wireless telegraph in 1896 Communication by encoding alphanumeric characters in analog signal Sent telegraphic signals across the Atlantic Ocean

512 views • 21 slides

Introduction to Wireless Communication

Introduction to Wireless Communication. History of wireless communication. Guglielmo Marconi invented the wireless telegraph in 1896 Communication by encoding alphanumeric characters in analog signal Sent telegraphic signals across the Atlantic Ocean

212 views • 21 slides

Introduction to Wireless Communication

Introduction to Wireless Communication. History of wireless communication. Guglielmo Marconi invented the wireless telegraph in 1896 Communication by encoding alphanumeric characters in analog signal Sent telegraphic signals across the Atlantic Ocean

398 views • 21 slides

Sleeping and Dreaming

Sleeping and Dreaming. Electroencephalogram (EEG). Electrodes placed on scalp provide gross record of electrical activity of brain EEG :rough index of psychological states. EEG Waves of Wakefulness. Awake, nonattentive. 1 second. large, regular alpha waves. Awake, attentive. 1 second.

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WAVES: basics

405 views • 18 slides

Ion Heating by Alfven Waves and Reconnection in NSTX

Ion Heating by Alfven Waves and Reconnection in NSTX. Laboratory Astrophysics Invited session of April APS meeting, Dallas, Texas. Two laboratory examples of ion heating relevant to space plasma physics. First example has no evidence of thermal ion heating, but mechanism is understood.

252 views • 11 slides

Astro-Particle Physics 9 Gravitational waves

248 views • 9 slides

Tips to Choose the Right Sound Proofing Material for Your Needs

When soundproofing a room, you may want to choose a material like a carpet that is comparatively better than another material like wood or tiles. However, this may not be a wise option if you are soundproofing a studio or home theater.

87 views • 5 slides