LIGHT & LENSES [P14.1 - 5] Flashcards
[P14.1]
1
Q
law of reflection
A
angle of incidence = angle of reflection
2
Q
conVEX lens
A
uses refraction to cause light to CONVERGE at PRINCIPAL OF FOCUS
3
Q
focal distance
A
distance between lens and principal of focus
4
Q
conCAVE
A
uses refraction to cause light to DIVERGE from PRINCIPAL OF FOCUS
5
Q
if the wave enters a new medium ALONG the normal…
A
NO REFRACTION but speed & wavelength will change
