Two Flat Glass Plates, 10

question 21

Multiple Choice

Two flat glass plates, 10.0 cm wide, touch at one end but are separated by a thin wire at the other end, forming a wedge. Light with a wavelength of 450 nm shines almost perpendicularly on the glass and forms fringes which are 1.80 mm apart. What is the diameter of the wire?

• A)25.0 μm
• B)17.5 μm
• C)20.0 μm
• D)12.5 μm
• E)10.0 μm

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Definitions:

Dividend

A payout made by a corporation to its shareholders, usually as a distribution of profits.

Parent Company

A company that owns more than half of another company's stock and usually has a significant influence over it, often holding a controlling interest.

Constitution

The system of fundamental principles or established precedents according to which a state or other organization is governed.

Dividends Payable

represents a company's obligation to pay its shareholders a declared amount from its earnings.