The Wave Nature of Light, Wavelength, and Colour (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
When does the wave model of light become essential?
When does the wave model of light become essential?
For diffraction and interference
When does diffraction of light occur?
When does diffraction of light occur?
Aperture width wavelength
What did Young's double-slit experiment demonstrate?
What did Young's double-slit experiment demonstrate?
Light behaves as a wave
In what year did Thomas Young perform his famous double-slit experiment?
In what year did Thomas Young perform his famous double-slit experiment?
1801
What causes bright fringes in Young's interference pattern?
What causes bright fringes in Young's interference pattern?
Waves arrive in phase
What does coherent light mean in Young's experiment?
What does coherent light mean in Young's experiment?
Waves with constant phase relation
For constructive interference, the path difference must equal what?
For constructive interference, the path difference must equal what?
where is whole number
In the formula , what does represent?
In the formula , what does represent?
Distance between two slits
What is the approximate range of the visible spectrum?
What is the approximate range of the visible spectrum?
400-700 nm
Which colour has the shortest wavelength in the visible spectrum?
Which colour has the shortest wavelength in the visible spectrum?
Violet
What characterises monochromatic light?
What characterises monochromatic light?
Only one wavelength
What causes colours in soap bubbles and thin oil films?
What causes colours in soap bubbles and thin oil films?
Interference of reflected light