Two Point Interference

Question 1

barrie

Question 2

pring

Question 3

+; etc.

Question 4

не еди.

Question 5

U

Question 6

2

Question 7

Tovo Point interference

Question 8

ripple turk

Answer 8

hesa two sources are

Question 9

“in Phase
are diffing at the some time at the same frequency
only the crests have been dawn in white the thought have been feff
Out, this wil simptly the drawing imagine on trough half way
between two successive crests
ConstRuctive INteference: 3 suner cresta
• super trought
Destructive interrerence i
•- Vodal Routs
“52

Question 10

the green tres times we called.

Question 11

“maxims” because this is where the

Question 12

water has hatimon Anovement; The biwe lines are minima

Question 13

because thes have relatively No movert. the blue ines are also

Question 14

Called “nodul-nes”

Question 15

us-they join to gether a bunch of rodul points.

Question 16

THREE mustanáreal reutionsies con be dicovered by looking

Question 17

Carefolly at the Pattern below. To see the first math relation

Answer 17

mensure

Question 18

how far each padal point is away from sources S

Answer 18

and S

Question 19

• 4x I Dont mensure in nuedres…. instead

Question 20

Use the crest lines as glides to how measure in wavekongth!

Question 21

been for you. Fill in the

Question 22

chast below.

Question 23

many 1s. A couple have

Question 24

wall on

Question 25

3.SX

Question 26

NOPAL LINE

Question 27

PiS. - PiSa

Question 28

P132

Question 29

3

Question 30

0.51

Question 31

Pa

Question 32

2

Question 33

NODAL LINE

Question 34

P231

Question 35

P25n

Question 36

6.51

Question 37

0.05

Question 38

NOIDAL LiNE

Question 39

Boi

Question 40

Вба

Question 41

P35

Answer 41

- Ps Sa

Question 42

Pis

Answer 42

- Pisa

Question 43

1.51

Question 44

P3

Question 45

P.

Question 46

What is the pattem for each nodal line?

Question 47

* the Ruthern s that the diffarence between distance from "p" to S;

Question 48

ant "p" to 52r-19

Question 49

Nobal line sour le always ½2d less then whateve nomine

Question 50

Generally

Answer 50

the relation "s Stated

Question 51

PaS

Answer 51

- Pa 52 = (n - ½) 1

Question 52

where"" is whatever nosel

Question 53

l're you choose

Question 54

(any model Mint works!)

Question 55

U2 _

Question 56

Another way of drawing the Pattern to to include the distance lines

Question 57

but not the crests and. troughs

Answer 57

serbellows

Question 58

• randon nodal Points not on nodal lives la2

Answer 58

ar 3

Question 59

line "

Question 60

n

Answer 60

that was it is gereal and will apply to all such- Points

Question 61

To the distance

Question 62

tureen 5. 852

Question 63

Pn

Question 64

I Ghose Pocat

Question 65

A so then Pa A

Question 66

would be the scone length as

Question 67

PiSa

Question 68

-.

Question 69

S

Answer 69

A must he equer

Question 70

*\

Question 71

Recal :

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PaS - Pa Sa = (nals))

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* Angle 5

Answer 73

A32 i6 50 Elose

Question 74

90°

Question 75

18 may as wallbe?

Question 76

-eti can in 40° lanc not se

Question 77

Mr. Harthy What we did?

Question 78

Now

Answer 78

look at the smarttriangle 5

Question 79

Because it is a niget ingle troingle me cur say!

Question 80

ore

Question 81

Sin 6

Question 82

hyp

Question 83

Sin 0 = (n- 12)

Question 84

for the 3%%

Answer 84

and lust

Question 85

une small

Answer 85

triangle to the large dutted. live triangle.

Question 86

(they ore "Similar" )

Question 87

Sin A =

Question 88

last page: SinG = (A- 12) A

Question 89

- PuS

Answer 89

- PnSa = (n- ½)A

Question 90

- Sin O = n- p2) 1