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This quiz contains 13 questions from a mix of 1 subtopics.

Which of the following is needed to produce interference between two sources?

the sources must emit particles

the sources must have the same frequency

the sources must have a fixed phase relationship

the sources must emit transverse waves

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What happens when coherent water waves from two sources combine at a point where they are in phase?

diffraction occurs

destructive interference occurs

constructive interference occurs

refraction occurs

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In Young's double slit experiment, what causes the interference pattern?

reflection off the slits

dispersion by the material between the slits

interference between the waves from each slit

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What type of interference occurs at the maxima in Young's double slit experiment?

total

constructive

partial

destructive

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What phase difference between waves from the two slits corresponds to a bright fringe?

π

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What is the path difference between waves from the two slits that arrive at a bright fringe?

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λ/4

λ/2

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What type of interference occurs at the minima in Young's double slit experiment?

destructive

total

partial

constructive

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What phase difference between waves from the two slits corresponds to a dark fringe?

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π/2

3π/2

π

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Which variable does NOT affect the fringe spacing in a double slit experiment?

intensity of the light

distance between slits

distance from slits to screen

wavelength of light

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Describe what happens when light passes through the double slits.

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3

In Young's double slit experiment, if the wavelength of the light used is 500 nm, the distance between the slits and the screen is 2 m, and the slit spacing is 0.2 mm, calculate the fringe spacing on the screen.

5 mm

10 mm

1 mm

2 mm

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A student performs Young's double slit experiment with light of wavelength 600 nm. The distance from the slits to the screen is 50 cm, and the slit spacing is 0.5 mm. Calculate the fringe spacing on the screen.

120 mm

60 mm

1.2 mm

0.6 mm

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In a double slit experiment, if the third bright fringe is observed at a path difference of 1.8 μm, what is the wavelength of the light used?

900 nm

600 nm

1200 nm

450 nm

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