Two Flat Glass Plates Are in Contact Along One End

question 87

Multiple Choice

Two flat glass plates are in contact along one end and are separated by a sheet of tissue paper at the other end.A monochromatic source of wavelength 490 nm illuminates the top plate.If 21 dark bands are counted across the top plate,what is the paper thickness? (1 nm = 10^-9 m)

• A)2.7 x 10^-6 m
• B)3.4 x 10^-6 m
• C)4.9 x 10^-6 m
• D)5.8 x 10^-6 m

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Definitions:

Labor Market Shelters

Describes economic sectors or employment practices that protect workers from the harshness of the market, often through regulation or unionization.

Senior Personnel

Individuals who hold high-ranking positions within an organization, typically involved in decision-making processes and strategic planning.

Codetermination

A German system of worker participation that allows workers to help formulate overall business strategy. German workers’ councils review and influence management policies on a wide range of issues, including when and where new plants should be built and how capital should be invested in technological innovation.

Workers' Councils

Bodies formed by workers in various sectors to represent their interests, often in the context of self-management or industrial democracy.