OPTICS Flashcards
(30 cards)
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
16
Q
index of refraction
Glass
A
1.5
17
Q
Hyperopia
aka
A
Farsighted
18
Q
Myopia
aka
A
Nearsighted
19
Q
Hyperopia (Farsighted)
lens
A
Convex
20
Q
Myopia (Nearsighted)
lens
A
concave
21
Q
Myopia eyeball
A
too long
22
Q
constructive interference
A
same phase
23
Q
destructive interference
A
cancel out
24
Q
same side of the object
A
virtual image
25
other side of the lens
Real image
26
upright
virtual image
27
inverted image
Real image
28
diverging lens
concave lens
29
converging lens
convex lens
30
LENS MNEMONICS
CALEDI-SUV