ATP - Inaccuracies Flashcards
1
Q
Why angle i is NOT equal to angle r in ray experiment
A
Thickness of pins
Thickness of mirror
Protractor is not precise
2
Q
Inaccuracy of ray box method
A
thickness of rays
3
Q
Inaccuracy of pin method
A
pins not straight, or too close, or thickness of lines drawn
4
Q
Measuring 10 oscillations rather than 1
A
Reduce human errors
Give more accurate value of time taken (T)
Gives an average of T