An Air Wedge Is Formed from Two Glass Plates Which

question 1

Multiple Choice

An air wedge is formed from two glass plates which are in contact at their left edges.There are ten dark bands when viewed by reflection using monochromatic light.The left edge of the top plate is now slowly lifted until the plates are parallel.During this process:

• A)the dark bands crowd toward the right edge
• B)the dark bands remain stationary
• C)the dark bands crowd toward the left edge
• D)the dark bands spread out, disappearing off the right edge
• E)the dark bands spread out, disappearing off the left edge

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