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Practice Applying Wave Interference Formulas

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

Use the provided material to answer the next question
Use the provided material for the next question 
You are on an adventure and in order to open up a lock you need to shine a light into two spots that are exactly 2.3 meters apart. You need to stand 5 meters away from the spots. The flashlight that y…

You are on an adventure and in order to open up a lock you need to shine a light into two spots that are exactly 2.3 meters apart. You need to stand 5 meters away from the spots. The flashlight that you have has a wavelength of 597 nm.

question 1 of 3

What theta, or angle, will be created in this scenario?

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1. What is the distance you'll need between the two slits to get the lights to shine properly?

Use the provided material to answer questions 2-3.

You have piece of paper with two slits that are 2346 nm apart and each slit is 1546 nm. You want to create two dark spots that are 1.3 meters away from each other on a screen that is 5 meters away.

2. What wavelength of light should you use?

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About This Quiz & Worksheet

Quickly assess your understanding of wave interference and how to calculate it by using this brief quiz/worksheet combo. You must be able to apply relevant formulas to given problems in order to complete this short quiz.

Quiz & Worksheet Goals

You should be prepared to do the following when you take this quiz:

  • Solve angle and distance problems in relation to wave interference based on given information
  • Understand what wavelength of light should be used to solve a sample problem
  • Calculate the path difference in a given scenario
  • Explain what kind of interference and spot will be created based on given wavelength and path difference information

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as what 'path difference' refers to
  • Making connections - use your understanding of the creation of interference and spots given wavelength and path difference
  • Problem solving - use acquired knowledge to solve sample wave interference problems

Additional Learning

The lesson titled Practice Applying Wave Interference Formulas is spot-on when it comes to learning more about this topic. Details addressed in this lesson include:

  • What the double-slit experiment demonstrated
  • What makes a constructive point
  • How a destructive point is reached
  • How to determine theta
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