Two Thin Layers of Material with Different Indices of Refraction

question 57

Multiple Choice

Two thin layers of material with different indices of refraction are coated on a glass plate.The outer first material has n₁ = 1.461,the inner second material has n₂ = 1.544,and the glass has n_glass = 1.62.If light is incident from air on the first layer,what is the phase change for light that reflects from the glass?

• A)180°
• B)0°
• C)360°
• D)540°
• E)​720°

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Definitions:

Design-Production Cycle

The interconnected stages involved in developing a product, from initial design through to final production and delivery to customers.

Inspect-It-In Approach

A traditional quality control approach where products are inspected after completion to ensure they meet the required standards, often considered less effective than preventive measures.

TQM

Total Quality Management, a comprehensive approach focused on continuous improvement in all aspects of an organization to enhance quality and performance.

Fix-It Approach

A reactive strategy aiming to address and solve problems or issues as they arise, rather than preventing them proactively.