At the end of this module you will be able to: 1. cite examples of practical applications of the different regions of EM waves, such as the use of radio waves in telecommunication (S10FE-IIcd-48); 2. explain the effects of electromagnetic radiation on living things and the environment (S10FE-IIe-f-49) Practical Applications of Electromagnetic Waves. STUDY. PLAY. Gamma rays. Sterilization of medical instruments. Gamma rays. Diagnosis and treatment of diseases (i.e. cancer) X rays. Radio therapy Grade 10. Learning Area. Science. Content/Topic. Force Motion and Energy. Intended Users. Educators, Learners. Competencies. Cite examples of practical applications of the different regions of em waves such as the use of radio waves in telecommunications
Here are 10 examples of electromagnetic radiation which we come across daily and the harmful effects that result from it: 1. Visible Light Waves. Let's start with the most visible type of electromagnetic radiation: visible light waves. This type of radiation derives from what our eyes perceive as a clear, observable field of view The differing behaviours of different groups in the electromagnetic spectrum make them suitable for a range of uses. Radio waves. Radio waves are used for communication such as television and radio Technological applications of electromagnetic waves. Ultraviolet (UV) rays: They have the property of killing the microbes, so, they are used to sterilize the sets of surgical operations rooms. X-rays: They are very important In photographing the bones for detecting the bone fractures, X-rays are used in examining the mineral raws in industry.
In the following sections, you will look at some examples of how waves are applied for use in medical and industrial applications. There are many applications for the use of waves in everyday life from preservatives to body diagnostics. Waves are used in many practical applications to support work, entertainment, and health Cite examples of practical applications of the different 7 regions of EM waves, such as the use of radio waves in 4 telecommunications. Explain the effects of EM radiation on living things and 8 5 the environment Electromagnetic waves are waves made up of fluctuations in electric and magnetic fields that cannot travel in a vacuum. As a member, you'll also get unlimited access to over 84,000 lessons in math.
Electromagnetic radiation or EM radiation is a noticeable part of the spectrum. It is one kind of way to travel energy through space. The different forms of electromagnetic energy mainly include heat from the fire, the sunlight, microwave energy while cooking, rays from X-ray, etc. These energy forms are very different from each other but they exhibit wavelike properties 5. Describe how electromagnetic (EM) wave is produced and propagated 6. Compare the relative wavelengths, frequencies and energies of the different regions of the electromagnetic spectrum 7. Cite examples of practical applications of the different regions of EM waves 8 . Quick revise. Introduction. Wavelength of the ElectroMagnetic spectrum continually changes. high frequency = short wavelength. high frequency = high energy. high energy = more dangerous. The video and text below describe some of the qualities and uses of different waves on the electromagnetic spectrum
Regions of Electromagnetic Magnetic Spectrum and their Uses EM radiation on living things and the environment Values: Consciousness on safety from EM radiation S10FE-IIc-d-48cite examples of the practical applications of the different regions of EM , such as the use of radio waves in telecommunications (Positive and Negative Effects X Your answer: Correct answer: X Your answer: For webquest or practice, print a copy of this quiz at the Physics: Electromagnetic Waves webquest print page. About this quiz: All the questions on this quiz are based on information that can be found at Physics: Electromagnetic Waves . Back to Science for Kids. Advertisement Applications of waves in our daily By Agil, Aldo, Nindira, and Mona (10A) Electromagnetic Waves 1. Solar panel: it produce electricity . 2. X-rays: to see the internal part of the body 3. Gamma rays: finding problems during metal work Sound waves Types of Waves Electromagneti
The electromagnetic waves in these different bands have different characteristics depending upon how they are produced, how they interact with matter and their practical applications. Maxwell's equations predicted the existence of an infinite number of frequencies of electromagnetic waves, all travelling with the speed of light Electromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays. In such a wave, time-varying electric and magnetic fields are.
An inverse relationship exists between size of the wave and frequency. Remember: all EM waves travel at the same speed: 300,000km/s. If you remember the formula for speed, it is the wavelength times the frequency. For the answer to always be 300,000km/s, as one number goes up, the other must go down. All EM waves are radiation Radio waves have the longest wavelengths and the least energy of all electromagnetic waves. There are different types of radio waves. Different types of radio waves have different penetrating abilities and have different uses. However, their most common and widespread use is in communication technologies like radio, television, mobile phones, etc Practical applications that depend upon electromagnetic induction are electrical generators and induction motors. Transformers and mechanically-powered flashlights also depend on electromagnetic. WEEK 3&4: Practical applications of the different regions of EM waves The illustration shows a submarine that utilizes extremely low frequency (ELF) radio wave for ommunication. Why is such communication is limited on to low frequency waves and not for hig
In free space the speed of electromagnetic waves 3×10 8 ms-1. Electromagnetic radiation spectrum Depending upon the value of the wavelength of frequency, the electromagnetic waves have been classified into different types of waves as radio waves, microwaves, infrared rays, visible light etc There are 7 regions in the electromagnetic spectrum and they are gamma rays, x-rays, ultraviolet, visible light, infrared, microwaves and radio waves. All types of electromagnetic radiation are transverse waves and they all travel at the same speed in a vacuum. The regions of the electromagnetic spectrum are explained below in order of. X-rays. This designation is because they are invisible electromagnetic waves able to cross opaque bodies and produce photographic impressions. Located between 10 and 0.01 nm (30 to 30,000 PHz), they are the result of electrons jumping from orbits into heavy atoms. These rays can be emitted by the crown of the sun, pulsars, supernovae and black. Applications of waves in your everyday life. For Waves. Waves are everywhere. Most of the information that we receive comes to us in the form of waves. You rely on waves to bring you music and TV. You can cook with waves, talk to others and see things all because of waves
Electromagnetic waves can be divided into a range of frequencies. This is known as the electromagnetic spectrum. Examples of EM waves are radio waves, microwaves, infrared waves, X-rays, gamma rays, and much more. Electromagnetics are used in our everyday life. There are several important technologies in our daily life are Applications of Electromagnetic Waves. Following are a few applications of electromagnetic waves: Electromagnetic radiations can transmit energy in vacuum or using no medium at all. Electromagnetic waves play an important role in communication technology. Electromagnetic waves are used in RADARS. UV rays are used to detect forged bank notes Electromagnetic waves form a spectrum of different wavelengths. This spectrum includes visible light, X-rays and radio waves. Electromagnetic radiation can be useful as well as hazardous
A brief overview of the production and utilization of electromagnetic waves is found in Table 16.6. 1. The relationship c = f λ between frequency f and wavelength λ applies to all waves and ensures that greater frequency means smaller wavelength. Figure 16.6. 2 shows how the various types of electromagnetic waves are categorized according to. Electromagnetic waves. Electromagnetic radiation, is a form of energy emitted by moving charged particles. As it travels through space it behaves like a wave, and has an oscillating electric field component and an oscillating magnetic field. These waves oscillate perpendicularly to and in phase with one another Trace the development of the electromagnetic theory. 2. Describe how electromagnetic (EM) wave is produced and propagated. 3. Compare the relative wavelengths, frequencies and energies of the different regions of the electromagnetic spectrum. 4. Cite examples of practical applications of the different regions of EM waves. 5
Applications of Microwaves in the field of Remote Sensing. Radio Detecting and ranging (RADAR) uses microwave radiation to detect the range, speed, and other characteristics of remote objects. Development of radar was accelerated during World War II due to its great military utility. Now radar is widely used for applications such as air traffic. 4. Tsunami Waves. Tsunamis cause damage to coastal regions and that's why people residing in coastal areas are afraid of them. Most people think that sea waves are a transverse wave as they go up and down. However, sea waves, including Tsunami, are the example of both transverse as well as a longitudinal wave Click on the picture for a larger view. Radio Waves. Radio waves have the longest wavelengths of all the electromagnetic waves. They range from around a foot long to several miles long. Radio waves are often used to transmit data and have been used for all sorts of applications including radio, satellites, radar, and computer networks. Microwaves Applications of Bio-electromagnetics. There is a further distinction amongst bio-electromagnetic (BEM) devices—whether they are thermal or non-thermal. Certain modalities produce heat in tissues and others do not. Biologic nonthermal means that a modality does not cause significant gross tissue heating 320 Week of Most Essential Learning Competencies Lesson Exemplar/ LR Link (if available Assessment the Learning developer online) (provide a waves resources link if online) Quarter/ available Grading Cite examples of practical applications of the different regions of EM waves, Period such as the use of radio waves in telecommunications Week 1.
A branch of physics deals with electric current or fields and magnetic fields and their interaction on substance or matter is called Electromagnetism. Electromagnetism has created a great revolution in the field of engineering applications. In addition, this caused a great impact on various fields such as medical, industrial, space, etc. We can find enormous [ forms, such as radio waves, microwaves, X-rays and gamma rays, but visible light is only a small portion of the EM spectrum, which contains a broad range of electromagnetic wavelength. Effects of Electromagnetic Radiation Radio waves People can be expose to RF radiation from both natural and man-made sources Infrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat. A remote control uses light waves just beyond the visible spectrum of light—infrared light waves—to change channels on your TV radio: Uses of Radio Waves. The prime purpose of radio is to convey information from one place to another through the intervening media (i.e., air, space, nonconducting materials) without wires. Besides being used for transmitting sound and television signals, radio is used for the transmission of data in coded form
At the end of this comprehensive electromagnetic spectrum lesson plan, students will be able to explore how different wavelengths of the electromagnetic spectrum are used to gain information about distance and properties of objects in the universe. Students will also be able to interpret the electromagnetic spectrum. Each lesson is designed using the 5E method of [ Radio waves are at the lowest range of the EM spectrum, with frequencies of up to about 30 billion hertz, or 30 gigahertz (GHz), and wavelengths greater than about 10 millimeters (0.4 inches) Advanced; Basic; The Electromagnetic Spectrum. The electromagnetic (EM) spectrum is the range of all types of EM radiation.Radiation is energy that travels and spreads out as it goes - the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation. The other types of EM radiation that make up the. Microwave processing shows great promise for site cleanup applications, since microwaves can be applied in situ, avoiding costly and risky excavation and transportation, and can target compounds with high dielectric loss for selective heating, for example, moisture in soils (Dauerman, 1992)
Speed of electromagnetic wave. 9. The energy in electromagnetic wave is divided on average equally between electric and magnetic fields. 10. Energy associated with an electromagnetic wave is. 11. Linear momentum delivered to the surface p= U/c. where, U = total energy transmitted by electromagnetic waves and c = speed of electromagnetic wave. 12 Solved Examples for You. Question: List down the different types of waves in the electromagnetic spectrum. Also, specify the method of generation of each of these waves. Solution: The waves in the electromagnetic spectrum can be broadly classified as: Radio waves - produced by the accelerated motion of charges in conducting wire Radio Waves. Radio waves have the longest wavelengths in the electromagnetic spectrum. These waves can be longer than a football field or as short as a football. Radio waves do more than just bring music to your radio. They also carry signals for your television and cellular phones. The antennae on your television set receive the signal, in the.
They are used for communications because they pass through the atmosphere without significant attenuation and they can be directed in beams with much less diffraction than radio-waves. The micro-wave frequencies are of the order of 10 GHz, sufficiently high to carry much more information than a copper cable or radio-waves Radio waves in the VLF band propagate in a ground, or surface wave. The wave is connected at one end to the surface of the earth and to the ionosphere at the other. The ionosphere is the region above the troposphere (where the air is), from about 50 to 250 miles above the earth. It is a collection of ions, which are atoms that have som Standing wave examples. The aforementioned example of plucking the string of a guitar is a good example of standing waves beings produced. Other than that, two people shaking either end of a jump rope is also a good visual to understand the idea of standing waves The Sun is a source of the full spectrum of ultraviolet radiation, which is commonly subdivided into UV-A, UV-B, and UV-C. These are the classifications most often used in Earth sciences. UV-C rays are the most harmful and are almost completely absorbed by our atmosphere. UV-B rays are the harmful rays that cause sunburn Non-ionizing (or non-ionising) radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum (photon energy) to ionize atoms or molecules—that is, to completely remove an electron from an atom or molecule. Instead of producing charged ions when passing through matter, non-ionizing electromagnetic radiation has sufficient energy only for excitation.
Standing waves in two dimensions have numerous applications in music. A circular drum head is a reasonably simple system on which standing waves can be studied. Instead of having nodes at opposite ends, as was the case for guitar and piano strings, the entire rim of the drum is a node Questions & answers on electromagnetic spectrum. 1. Define electromagnetic spectrum. Electromagnetic spectrum is the range of all the frequencies or wavelengths of electromagnetic radiation. 2. Define electromagnetic radiation. Electromagnetic radiation is a form of energy in which electric, magnetic fields are mutually perpendicular to each.
In this chapter, let us go through different interesting topics such as the properties of radio waves, the propagation of radio waves and their types. Radio Waves Radio waves are easy to generate and are widely used for both indoor and outdoor communications because of their ability to pass through buildings and travel long distances Electromagnetic radiation shares many of the same traits as water waves; thus, it is highly convenient to combine the two concepts into the theory of electromagnetic waves (or EM waves for short). This book will provide a broad overview of EM waves, both their theory and practical applications, with a special emphasis on lasers Visible Light Communication (VLC) systems employ visible light for communication that occupy the spectrum from 380 nm to 750 nm corresponding to a frequency spectrum of 430 THz to 790 THz as shown in Fig. 2.The low bandwidth problem in RF communication is resolved in VLC because of the availability of the large bandwidth as illustrated in Fig. 2
Electromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic spectrum EM spectrum). The. Heat is defined in physics as the transfer of thermal energy across a well-defined boundary around a thermodynamic system.The thermodynamic free energy is the amount of work that a thermodynamic system can perform. Enthalpy is a thermodynamic potential, designated by the letter H, that is the sum of the internal energy of the system (U) plus the product of pressure (P) and volume (V) Even though we can't see the infrared waves, they are always there. The visible light waves drawn on this picture are green, and the infrared ones are pale red. This image was taken with special film that can detect invisible infrared waves. This is a false-color image, just like the one of the cat Application of Reflection of Light in the Construction of Devices Periscope. A periscope is a device used to see objects over an obstacle. It is made up of two plane mirrors mounted in a long tube. Both mirrors are set parallel to each other at each corner of the tube and at an angle of 45° to the path of the light rays