Interference (AQA A-Level Physics): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Path difference
Path difference
Difference in distance travelled by two waves to meeting point
Coherent light source properties
Coherent light source properties
Same frequency/wavelength & fixed phase difference
Path difference for bright fringes
Path difference for bright fringes
Whole number of wavelengths
Path difference for dark fringes
Path difference for dark fringes
Half-integer wavelengths (n + rac{1}{2})lambda
Fringe spacing formula
Fringe spacing formula
w = rac{lambda D}{s}
White light in Young's experiment produces
White light in Young's experiment produces
Central white fringe with spectrum on either side
Slit width in Young's setup should equal
Slit width in Young's setup should equal
Wavelength of the light
One laser safety precaution
One laser safety precaution
Wear laser safety goggles
What Young's double-slit experiment demonstrates
What Young's double-slit experiment demonstrates
Interference using two coherent light sources
Evidence from Young's experiment supports
Evidence from Young's experiment supports
Wave nature of light via interference patterns