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When performing an optical flat measurement, key considerations include ensuring the flat surface is clean and free of defects, using proper lighting and viewing angles, and accurately interpreting the interference patterns to determine flatness. Additionally, maintaining a stable environment and following precise measurement procedures are crucial for obtaining accurate results.

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3mo ago

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What causes the optical illusion of a curved horizon when looking out at sea?

The optical illusion of a curved horizon when looking out at sea is caused by the Earth's curvature. As you look further away, the horizon appears to curve due to the Earth's round shape, even though it may seem flat at close distances.


Did periscope use convex or concave mirror?

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How do you used gra duated cylinder?

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What are the differences between biconvex and plano-convex lenses in terms of their optical properties and applications?

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