Single Slit Diffraction Quiz: Trivia!

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| By Kramayp
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Quizzes Created: 4 | Total Attempts: 8,548
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  • 1/9 Questions

    Bright spots on the interference pattern are visible because of:

    • Destructive Interference of Light
    • Constructive Interference of Light
    • Polarization of Light
    • Light is always bright
    • Your eyes are playing games with you!
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About This Quiz

This Single Slit Diffraction Quiz explores the phenomenon where light spreads as it passes through a narrow aperture, forming patterns. It assesses understanding of diffraction mechanics, calculation of pattern dimensions, and wave behavior of light, enhancing learners' grasp of wave optics.

Single Slit Diffraction Quiz: Trivia! - Quiz

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  • 2. 

    Light doesn't behave like a wave in Single Slit Interference.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    If it didn't behave like a wave, then you wouldn't see diffraction patterns, therefore it must behave like a wave.

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  • 3. 

    Single Slit interference can occur in a double-slit experiment if the slits are wider than the wavelength of light passing through them.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Single Slit interference occurs in any slit that is slightly larger than the wavelength of light that passes through it.

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  • 4. 

    A single slit 1.0mm wide is illuminated by 450nm light. What is the central maximum (in cm) width in the diffraction pattern on a screen 5.0m away?

    • 3 cm

    • 0.8 cm

    • 0.45 cm

    • 0.5 cm

    • None of the Above

    Correct Answer
    A. 0.45 cm
    Explanation
    Use the equation with n = 1, λ = 450 * 10^-9m, D = 5.0m and d = 1 * 10^-3m. Find Yn and then multiply it by 2 to get the width of the central max.

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  • 5. 

    The equations for single slit interference are exactly the opposite as those for double-slit interference.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The equation for nodal lines in double slit is the same as antinodal lines in a single slit and the reverse is true as well.

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  • 6. 

    In Single Slit Interference, there can be an infinite number of dark and bright fringes.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    There is always a limited number of dark and bright fringes. This number depends on the maximum value of n which can be calculated by d/λ.

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  • 7. 

    When violet light of wavelength 415nm falls on a single slit, it creates a central diffraction peak that is 9.2 cm wide on a 2.55m away screen. How wide is the slit?

    • 3 X 10^-8 meters

    • 3.8 X 10^-7 meters

    • 2.3 X 10^-7 meters

    • 4.2 X 10^-6 meters

    • None of the Above

    Correct Answer
    A. 2.3 X 10^-7 meters
    Explanation
    Remember to divide the 9.2 cm by 2 because the equations that we know are for the distance from the center for any 1 side. Then use the equation and plug in the known values to find the answer.

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  • 8. 

    Which of the following is true for Nodes (minima) in Single Slit Diffraction?

    Correct Answer
    A.
    Explanation
    The derivation to this is explained on the Single Slit Diffraction page on the website.

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  • 9. 

    When does Single Slit Diffraction Occur?

    • When the Slit Width is smaller than λ

    • When the Slit Width is the same as λ

    • When the Slit Width is slightly larger than λ

    • Both A and B

    • Both B and C

    Correct Answer
    A. Both B and C
    Explanation
    Single Slit Diffraction occurs when the slit width is slightly greater than or equal to λ. When it is equal to λ, only the central maximum and 2 nodal points are visible, but diffraction still occurs.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 23, 2011
    Quiz Created by
    Kramayp
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