A Film of Index of Refraction N₁ Coats a Surface $\lambda$

question 67

Multiple Choice

A film of index of refraction n₁ coats a surface with index of refraction n₂.When n₁ > n₂,the condition for constructive interference for reflected monochromatic light of wavelength $\lambda$ in air is

• A) \(t = m \frac { \lambda } { n _ { 1 } }\) .
• B) \(t = \left( m + \frac { 1 } { 2 } \right) \frac { \lambda } { n _ { 1 } }\) .
• C) \(2 t = m \frac { \lambda } { n _ { 1 } }\) .
• D) \(2 t = \left( m + \frac { 1 } { 2 } \right) \frac { \lambda } { n _ { 1 } }\) .
• E) \(4 t = m \frac { \lambda } { n _ { 1 } }\) .

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Definitions:

Sustainable Development

Progress which satisfies current requirements without hindering future generations from fulfilling their necessities.

Human Population Growth

The increase in the number of individuals in a human population, often discussed in terms of its impact on the environment and resources.

Ecological Services

The benefits humans freely gain from the natural environment and properly functioning ecosystems, such as clean water, pollination, and disease control.

Frederick Taylor

Frederick Winslow Taylor was an American mechanical engineer who sought to improve industrial efficiency and is known as the father of scientific management.