Skip to content
MathsGenie logo
Open app

Course home

  1. A Level
  2. Physics AQA
  3. Question bank

Wave-particle duality (A-level only)

EasyMediumHard
1234567891011121314151617181920
Question 3

Newton used his corpuscular theory of light to explain refraction at a boundary between air and a denser medium such as water.

According to Newton's theory, an attractive force acts on the corpuscles perpendicular to the boundary as they enter the denser medium.

a.

Under Newton's model, what happens to the components of the velocity of the corpuscles when they enter the denser medium?

Select one option:

  • A: Parallel component is unchanged; perpendicular component increases.
  • B: Parallel component is unchanged; perpendicular component decreases.
  • C: Parallel component increases; perpendicular component is unchanged.
  • D: Parallel component decreases; perpendicular component is unchanged.
[1]
b.

Compare Newton's prediction of the speed of light in a denser medium to Huygens' wave theory prediction, and state the experimental evidence that resolved this debate.

[4]

Wave-particle duality (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Wave-particle duality (A-level only)