11th Grade Diffraction Quizzes, Questions & Answers

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Double Slit Diffraction Quiz

A short quiz on the key concepts in the Double Slit Diffraction Unit. Just type in your name and start the quiz. Answers to all the questions will be presented at the end of the quiz.

Questions: 10 | Attempts: 715 | Last updated: Aug 22, 2025

Sample Question 1
When does Double Slit Diffraction Occur?

When the Slit Width is smaller than λ and distance between Slits is less than λ

When the Slit Width is larger than λ and distance between slits is bigger than λ

When the Slit Width is smaller than λ and distance between the slits is slightly more than λ.

Both A and B

None of the Above

Sample Question 2
Which of the following is true for antinodes (maxima) in Double Slit Diffraction?

None of the Above

Sample Question 3
Red light of wavelength 600 nm passes through two parallel slits. Nodal lines are produced ona screen 3.0 m away. The distance between the 1st and the 10th nodal lines is 5.0 cm. What is the separation of the two slits?

3.24 X 10^-4 m

3.58 X 10^-5 m

4.23 X 10^-4 m

4.48 X 10^-5m

None of the Above

Single Slit Diffraction Quiz: Trivia!

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...

Questions: 9 | Attempts: 2413 | Last updated: Mar 22, 2025

Sample Question
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