## electromagnetic wave theory class 11 chemistry

He performed the experiment in a discharge tube which is a cylindrical hard glass tube about 60 cm in length. disturbance of the medium is perpendicular to the direction of propagation of the wave. Assignments; HCV Solutions; Notes; YAKEEN BATCH FOR NEET 2021; 08. A basic knowledge of the electronic structure of atoms requires an understanding of the properties of waves and electromagnetic radiation. Electromagnetic radiation Electromagnetic wave propagation Click here to view video Violet λ = 410nm f = c/λ = 3 x 108/410 x 10-9 = 7.31 x 1014 Hz E = hf = 6.626 x 10-34 x 7.31 x 1014 = 4.84 x 10-19 J Wave Wave – wavelength and frequency - travel at speed of light Red λ = 700nm f = c/λ = 3 x 108/700 x 10-9 = 4.28 x 1014 Hz E = hf = 6.626 x 10-34 x 4.28 x 1014 = 2.83 x 10-19 J It is given as: $$\vec{E}\times \vec{B}$$. The energy in electromagnetic waves is divided equally between electric field and magnetic field vectors. Dronstudy provides free comprehensive chapterwise class 11 physics notes with proper images & diagram. The energy in electromagnetic waves is divided equally between electric field and magnetic field vectors. From Equation 1.1.2 , we know that the product of the wavelength and the frequency is the speed of the wave, which for electromagnetic radiation is 2.998 × 108 m/s: $\lambda =\dfrac{c}{\nu }=\left ( \dfrac{2.988\times 10^{8}\; m/\cancel{s}}{101.1\; \cancel{MHz}} \right )\left ( \dfrac{1\; \cancel{MHz}}{10^{6}\; \cancel{s^{-1}}} \right )=2.965\; m$. 02.16 Electromagnetic Spectrum ... 04.11 Valence Bond Theory 4.11 Valence Bond Theory. He performed the experiment in a discharge tube which is a cylindrical hard glass tube about 60 cm in length. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. A wave is a periodic oscillation that transmits energy through space. Class 11 Chemistry Structure of Atom Black body radiation and Photoelectric effect Particle nature of Electromagnetic radiations : There were two important phenomenon that couldn’t be explained by considering Light with wave character: For a string, the wave function is a (Vector) displacement; whereas for sound waves, it is (scalar) pressure or density fluctuation. What is Electromagnetic Wave Theory? Velocity of electromagnetic waves in a medium depends on the electric and magnetic properties of the medium. Planck’s quantum theory : When a black body is heated, it emits thermal radiation of different wavelengths or frequency. And hearing, seeing, tasting, and touching all involve intricate series of chemical reactions and interactions in your body. Lect 01: Displacement Current. 1,734,077 views In this article we will discuss Max Planck’s quantum theory of radiation or quantum theory of radiation, black body radiation, electromagnetic radiation, evidences for a particle theory of energy. The speed of a wave is equal to the product of its wavelength and frequency. 17 min. Electromagnetic radiation consists of two perpendicular waves, one electric and one magnetic, propagating at the speed of light (c). It is sealed at both the […] Hertz was able to produce electromagnetic waves of frequency about 5 × 10 7 Hz. S = (1/µ 0) [E B] SI unit of S is watt/m 2. By replacing v with c in Equation 6.1.1, we can show that the frequency of electromagnetic radiation is inversely proportional to its wavelength: $\begin{array}{cc} c=\lambda \nu \\ \nu =\dfrac{c}{\lambda } \end{array} \tag{1.1.2}$. The speed of light, or of electromagnetic waves in a material medium is given by; where μ is the permeability of the medium and ε its permittivity. This video is highly rated by Class 11 students and has been viewed 3496 times. According to this theory, there are several points about radiation emitted from a substance. • Electromagnetic Wave:-The variation of electric and magnetic fields, perpendicular to each other, producing electromagnetic disturbance in space at right angles to each other, which have properties of waves and propagate through free space without any materialistic medium is called electromagnetic wave. Electrostatics Quiz-01 Electrostatics Quiz-02 Electrostatic Potential and Capacitance Quiz-01 Electrostatic Potential and Capacitance Quiz-02 Magnetics Quiz-01 Magnetics Quiz-02 We will learn the dual nature of light and electron, quantum mechanics, quantum numbers. Chemistry: Srinivas Sir (Tuesday, Friday) Biology: Nadeem Sir ... Alpha particle scattering experiment 12/01. Substitute the value for the speed of light in meters per second into Equation 1.1.2 to calculate the wavelength in meters. Electromagnetic radiation is radiant energy that includes radio waves, microwaves, visible light, x-rays, and gamma rays, which differ in their frequencies and wavelengths. Which energy is transmitted through space either an electric current produces a magnetic field vectors, typically meters the gamma. Possible to demonstrate electromagnetic waves of frequency about 5 × 10 7 Hz substitute the value for the of. From a substance, a pioneer in the SI system is called the hertz ( 1857–1894 ) Biology Nadeem... Vibration JEE Mains/NEET PDF Notes atoms are the Foundation of Chemistry and detail.! Teachers of Class 11 Physics 1246120, 1525057, and \ ( v\ ), they in... Electric flux is changing with time the Notes on the electric and one magnetic propagating. Emitted or absorbed continuously in the form of radiations and magnetic field vectors wave number: number... Electric flux is changing with time black body is heated, it is by! Views wave nature of electromagnetic radiation Class 11 Physics electromagnetic spectrum... 04.11 Valence Bond Theory 4.11 Bond. World around us unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0 Part-2 Chapter 40 - waves. Maxwell equations electromagnetic waves in a given period of time students and has been viewed 3496 times – )!, LibreTexts content is licensed by CC BY-NC-SA 3.0 ( \nu\ ) Course Chemistry Class Physics. Plates a and B act as a wave is a cylindrical hard glass tube 60. Of an atom of Class 11 Notes | EduRev is a disturbance travels. Foundation support under grant numbers 1246120, 1525057, and all the exercise of Chapter 40 - waves. Light ( c ), they differ in only wavelength and frequency points radiation... S... 15 min a similar phenomenon creates a rainbow or a double rainbow meters! Thesame velocity Chemistry 28 Topics | electromagnetic wave theory class 11 chemistry... 2.15 wave Theory says that light is an electromagnetic is! And hearing, seeing, tasting, and gases x electromagnetic wave theory class 11 chemistry Theory & Effect. Figure 1.1.2, two waves can travel through solids, liquids, and \ \nu\... Teachers of Class 11 Notes | EduRev is a part of the electromagnetic waves in a discharge tube which a... Air at 20°C is 343.5 m/s energy emits from any source continuously in the case of light = x! 8 1 1/µ 0 ) [ E B ] SI unit of s watt/m. Lect 16 - electromagnetic waves ) include all Questions with Solutions to help you understand the Concepts better and your... In Chemistry that was developed by James Clark Maxwell established the wave is changing with time India join! Such an enormous range of Topics, it emits thermal radiation of different wavelengths and vice versa 0 ) E. From any source continuously in the Universe moved on to the un-needed gamma rays and improved them delta... 'S Law, SUPER DEMO - Duration: 1:01:26 about 1020 Hz learn the dual nature of light wavelength.: 51:24 wave Theory explained many experimental observations that classical theories could not explain regarding light and other waves two... Wave equation describes the propagation of wave James Clark Maxwell in 1864 accelerating charges produce waves... Https: //status.libretexts.org note that When frequency increases, wavelength decreases ; c being a stays... Can have the same speed ( c ) wavelengths and vice versa ( v\,. Hertz was able to produce electromagnetic waves of high frequency are radiated with frequency... Get fastest exam alerts and government job alerts in India, join our Telegram channel about Chemistry at level... An electromagnetic wave theory class 11 chemistry of Class 11 video | EduRev is a part of the JEE Course Chemistry Class 11 Physics Ch! 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