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Feliz [49]
2 years ago
14

Can you help me with this?

Physics
1 answer:
Natasha2012 [34]2 years ago
4 0

Answer:

no

Explanation:

so basically I am domb so I can not help you

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A thin film of oil (n = 1.27) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, th
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Answer:

Explanation:

The problem is based on interference in thin films

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for constructive interference , the condition is

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Putting the values

2 x 1.27 t = n x 640

2 x 1.27 t =  640 ( for minimum thickness n = 1 )

t = 252 nm .

b )

2 x 1.27 t = m₁  λ₁

for destructive interference

2μt = (2m₂+1)λ₂/2

2 x 1.27 t =(2m₂+1)λ₂/2

m₁ λ₁  = (2m₂+1)λ₂/2

2m₁λ₁  = (2m₂+1)λ₂

2m₁ / (2m₂+1) = λ₂ / λ₁

2m₁ / (2m₂+1) = 548/ 640

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This is the required relation between m₁ and m₂

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3 years ago
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