Diffraction Practice Phys 11. Single Slit Diffraction A water wave impinges on a single opening; using the single slit diffraction equation, determine.

Slides:

Advertisements

Similar presentations

Examples Wave Optics.

Advertisements

Lecture 16 Diffraction Chp. 37

The waves spread out from the opening!

4/13/2017 5:04 PM Diffraction © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be.

The Wave Nature of Light

Diffraction and Interference

Interference Physics 202 Professor Lee Carkner Lecture 22.

Interference Physics 202 Professor Lee Carkner Lecture 24.

Diffraction Physics 202 Professor Lee Carkner Lecture 24.

Double Slit Diffraction Physics 202 Professor Lee Carkner Lecture 27.

Lecture 33 Review for Exam 4 Interference, Diffraction Reflection, Refraction.

Phys 102 – Lecture 22 Interference 1. Physics 102 lectures on light Lecture 15 – EM waves Lecture 16 – Polarization Lecture 22 & 23 – Interference & diffraction.

IVA. Electromagnetic Waves and Optics

The wave nature of light Physics Department, New York City College of Technology.

Multiple-Slit Interference Uniform slits, distance d apart. Light of wavelength. Screen L away “Thin” slits  compared to d) L y  L >> d then path length.

Diffraction Physics 202 Professor Lee Carkner Lecture 26.

Double Slit Diffraction Physics 202 Professor Lee Carkner Lecture 27.

Diffraction Physics 202 Professor Lee Carkner Lecture 26.

B. Wave optics Huygens’ principle

Multiple-Slit Interference Uniform slits, distance d apart. Light of wavelength. Screen L away “Thin” slits  compared to d) L >> d then path length difference.

I NTERFERENCE AND D IFFRACTION Chapter 15 Holt. Section 1 Interference: Combining Light Waves I nterference takes place only between waves with the same.

Goal: To understand diffraction Objectives: 1)To learn about the results of Young’s Double Slit Experiment 2)To understand when you get maxima and minima.

Thursday, Sep. 4Phy208 Lecture 2 1 From last time… Waves Interference Please pick up pack of color sheets.

Interference of Waves Beats Double Slit

S-110 A.What does the term Interference mean when applied to waves? B.Describe what you think would happened when light interferes constructively. C.Describe.

Physics Light: Geometric Optics 24.1 Waves versus Particles 24.2 Huygens’ Principle 24.3 Young’s double-slit Interference 24.5 Single-slit Diffractin.

I NTERFERENCE AND D IFFRACTION Chapter 15 Holt. Section 1 Interference: Combining Light Waves I nterference takes place between waves with the same wavelength.

The waves spread out from the opening!

1© Manhattan Press (H.K.) Ltd. 9.7Diffraction Water waves Water waves Light waves Light waves Fraunhofer diffraction Fraunhofer diffraction.

Light Interference Continued…

Wave superposition If two waves are in the same place at the same time they superpose. This means that their amplitudes add together vectorially Positively.

1 W14D2: Interference and Diffraction Experiment 6 Today’s Reading Course Notes: Sections

Example Two identical point sources produce water waves with a wavelength of 0.04 m. The sources are 0.1 m apart. What is the maximum angle for a line.

Interference & Diffraction Gratings

DIFFRACTION AND INTERFERENCE. Specification Topics Interference The concept of path difference and coherence The laser as a source of coherent monochromatic.

13.4 Double slit interference. From one source and two gaps 1 st bright fringe 1 st bright fringe central fringe.

Lab 10: Wave optics Only 2 more labs to go!! Light is an electromagnetic wave. Because of the wave nature of light it interacts differently than you might.

Higher Physics – Unit Waves. a a λ λ crest trough Wave Theory All waves transmit energy. The energy of a wave depends on its amplitude. a = amplitude.

Q1. You are holding one end of a light string. The other end is attached to a vertical post. The string is under tension so that the speed of waves is.

Young’s Double Slit Contents: Interference Diffraction Young’s Double Slit Angle Distance.

Diffraction at a single slit a = λ Semi circular wave fronts a = 2 λ First minima & maxima become visible a = 4 λ Diffraction is the spreading of wavefronts.

Physical Optics Ch 37 and 38. Physical Optics Light is an electromagnetic wave. Wave properties: Diffraction – wave bends around corners, spreads out.

Double the slit width a and double the wavelength

B. Wave optics Huygens’ principle

Q35.1 Two sources S1 and S2 oscillating in phase emit sinusoidal waves. Point P is 7.3 wavelengths from source S1 and 4.3 wavelengths from source S2. As.

Geometry of Young’s Double Slit Experiment

Interference Principle of Superposition- Constructive Interference

Wave superposition If two waves are in the same place at the same time they superpose. This means that their amplitudes add together vectorially Positively.

Interference of Light.

Diffraction and Interference

Concept Questions with Answers 8.02 W14D2

Light Interference Continued…

A. Double the slit width a and double the wavelength λ.

A –Level Physics: Waves and Quanta: Wave Phase and Interference

Example: 633 nm laser light is passed through a narrow slit and a diffraction pattern is observed on a screen 6.0 m away. The distance on the screen.

A. Double the slit width a and double the wavelength l.

Physics 1B03summer-Lecture 11

Interference – Young’s Double-Slit Experiment

Interference Introduction to Optics Coherent source

Diffraction, Gratings, Resolving Power

The Geometry of Interference and Diffraction

Questions: What is the frequency of a light wave whose wavelength is 700nm (7x10-7 m) At the edge of a pond Daisy counts four waves in 10s. If the distance.

B. Wave optics Huygens’ principle

Unit 2 Particles and Waves Interference

Diffraction and Resolution

DIFFRACTION AND INTERFERENCE

Key areas The relationship between the wavelength, distance between the sources, distance from the sources and the spacing between maxima or minima. The.

Presentation transcript:

Diffraction Practice Phys 11

Single Slit Diffraction A water wave impinges on a single opening; using the single slit diffraction equation, determine the spreading angle: The opening is much larger than a wavelength The opening is twice the wavelength The opening is equal to the wavelength The opening is half the wavelength The opening is much smaller than w.l.

Single Slit Diffraction You have two lasers, red (650nm) and green (575nm) which you direct toward a single slit apparatus. If the opening is 1.45mm, what spreading angle would you observe for each?

Double Slit Diffraction A blue laser (450nm) is directed toward a double slit apparatus. The distance between the apparatus and the screen is 4.5m, five fringes are observed and the separation of the two furthest fringes is 5.0cm. How far apart are the two slits?

Double Slit Diffraction During an experiment, you direct a red laser (650nm) toward three different double slit apparatus which is 2.0m from the screen. Determine the separation of the slits if: 5 fringes, 10.0cm across fringes 9 fringes, 7.5cm across fringes 3 fringes, 12.2cm across fringes

Path Length Difference

Path Length Difference – So What?

Practice You have a red laser (650nm) that is impingent on a double slit apparatus with a slit separation of 2.5mm. At what angles do the n=0 maxima and minima occur?

More Practice You have a double slit apparatus that shows the n=0 minima at 14°. If you are using a blue laser (450nm), what is the slit separation? You have a double slit apparatus that shows the n=0 maxima at 25°; if you are using a microwave (15cm), what is the slit separation?

Solve You hear a single tone (440Hz) in a room where the speed of sound is 343m/s. Where are the n=0 minimas located if the speakers are separated by: The wavelength Twice the wavelength Three times the wavelength Four times the wavelength