OPTICS Flashcards
1
Q
Parallel
A
longitudinal
2
Q
perpendicular
A
transverse
3
Q
energy is related to square of…
A
Amplitude
4
Q
speed of sound
A
344 m/s
5
Q
Audible sound for humans
A
20 Hz to 20 KHz ( 2000)
6
Q
O db
A
1
7
Q
10 db
A
10
8
Q
20 db
A
100
9
Q
30db
A
1000
10
Q
angle of refraction is SMALLER than angle of incidence
A
First medium is less dense
11
Q
Refraction unchanged
A
Frequency
12
Q
Doppler unchanged
A
speed
13
Q
Unit of index of refraction
A
None
14
Q
index of refraction
AIR
A
1.00
15
Q
index of refraction
WATER
A
1.33