Light Flashcards
0
Q
Going into glass/water/ what direction does the ray bend?
A
Towards the normal .
1
Q
What angle must the normal always be at ?
A
90•
2
Q
Going out of glass/water what ray does the ray bend?
A
Away from the normal .
3
Q
Why does total internal reflection occur?
A
Because it’s incidence angle is bigger than the critical angle , total internal reflection occurred .
4
Q
What is the speed in glass?
A
2x10 /8 ms
5
Q
What number is micro ?
A
10-6
6
Q
What number is mili?
A
10-3
7
Q
What number is kilo?
A
10/3
8
Q
What number is mega?
A
10/6
9
Q
What number is giga?
A
10/9
