Use the Figure for the Next Two Questions $\lambda$ = 550 NmThe Distance Between the Lens and the Flat Surface at Interference

question 76

Multiple Choice

Use the figure for the next two questions.
-The interference pattern is from a convex lens placed on a flat reflecting surface using a monochromatic light of wavelength $\lambda$ = 550 nm.The distance between the lens and the flat surface at position A is

• A)275 nm
• B)550 nm
• C)687.5 nm
• D)825 nm
• E)962.5 nm

Understand the basic morphological and functional characteristics of ctenophores.

Describe the concept of symmetry in animals and its significance.

Explain the phylogenetic relationships among early animal lineages.

Recognize the distinct traits and commonalities among sponges, placozoans, and ctenophores.

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