• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Single Slit and Double Slit Diffraction

Extracts from this document...


Single Slit and Double Slit Diffraction Objective To observe the diffraction patterns created by laser light passing through a single slit and double slit and to verify the equation which predicts the diffraction patterns in theory. Mathematical Theory n ? = d sin(?) n ? = d Procedure 1. Align a laser, a diffraction disk, and a light sensor mounted on a rotary motion sensor. 2. Allow the laser to pass through the diffraction disk. ...read more.


a 4x10-5 m wide slit Single slit diffraction pattern with a 8x10-5 m wide slit Double slit diffraction pattern with a 4x10-5 m wide slit and 2.5x10-4 m between slits Double slit diffraction pattern with a 4x10-5 m wide slit and 5.0x10-4 m between slits Double slit diffraction pattern with a 8x10-5 m wide slit and 2.5x10-4 m between slits Data Analysis By observing the characteristics of the diffraction patterns produced, one can see the difference between the single slit diffraction patterns and double slit diffraction patterns. ...read more.


The double slit diffraction patterns are more complex than those of produced by single slit diffraction patterns. Evaluation Although the general shapes of the expected diffraction pattern can be seen in all cases, there are many instances of minor aberrations in the graphs. These can be attributed to many factors; exposure to external light, misaligned equipment or human errors when manually sliding the light sensor. Conclusion All in all, the graphs seem consistent with the patterns predicted by theory. The expected diffraction pattern is clearly seen in all cases. Thus, the diffraction pattern predicted by theory was confirmed by this lab. ?? ?? ?? ?? Physics IBH-2 Mr. Butler Joseph Florendo November 22, 2001 ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Systems and Control section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Systems and Control essays

  1. Building a Sensor to Measure Weight, using a Potential Divider and Wheatstone Bridge.

    As I progressed through the experiments I found that some of the weights were not quite the same, since I noticed this early on I decided to just use the 100g hooked weights that were provided. By limiting the range of weights used, any inaccuracies with a set of weights

  2. Using a Rotary Potentiometer to Detect the Position of a Robotic Arm

    If money and simplicity is less important, and extreme accuracy is needed over a larger range, two or more resistors of relatively low resistance could be installed on the same axle, so that the regions of highly rapid change overlap over a wider angle, and a computer system arranged so that the right resistor is used at the appropriate time.

  1. The paper discusses the issues associated with the risks assessed between the organizations bidding ...

    being acquired by Shang-wa Electronics and the extra staff that came along with Lester's Electronics there will possibly be s serious need for cutbacks in certain departments, particularly those that are duplications of the same areas of the acquiring organization.

  2. The aim of this investigation is to design, build and test a sensor.

    The sensor is connected to one power pack set to 5V, and the light source is connected to another set to 12V. The LDR and resistor must be connected in series, and a digital voltmeter needs to be in parallel with the resistor.

  1. An electronics firm wishes to introduce a range burglar alarms. This coursework contains the ...

    This works perfectly and the output switches ON if any of the 4 Inputs are activated. Reading from left to right... 1. Input pressure pad at the front door. 2. Input reversed switch (proximity detector) at the rear door. 3.

  2. Design and build an electrical toy for children aged 5 years and over.

    A Mechanised Pinball Machine This will simply be an ordinary pin ball machine with moving parts which flick and toss the ball. These moving parts will be powered by motors concealed underneath the decorative platform on which the ball rolls.

  1. Calibrating a Potentiometer sensor.

    The sensor I will use will be a potentiometer, I've also decided that I will measure output voltage from the POT sensor and will set up the experiment as shown. What range of readings should I take? When performing the experiment, I will need to use a suitable range for

  2. The aim of this investigation is to build and test a sensor, and explaining ...

    Therefore, I had to deduce another method of measuring airflow: (3) This time I 'scrapped' the rotary potentiometer sensor and introduced a light sensor (light dependant resistor). Where the amount of light on the sensor was varied dependant on airflow: It was apparent that results were gained; however the experiment was very inaccurate.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work