An 18-Mm Wide Diffraction Grating Has Rulings of 880 Lines

question 34

Multiple Choice

An 18-mm wide diffraction grating has rulings of 880 lines per mm.Monochromatic light of 590 nm wavelength is incident normally on the grating.What is the largest angle,measured from the central bright spot,at which an intensity maximum is formed?

• A) 31°
• B) 29°
• C) 27°
• D) 25°
• E) 23°

Recognize the simplicity of placozoans and their adaptive features.

Identify characteristics and misconceptions about sponges.

Describe the basic anatomy and reproductive strategies of cnidarians.

Distinguish between key characteristics of major animal groups, focusing on protostomes, deuterostomes, and sponges.

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Definitions:

Metalloids

Elements with properties that are intermediate between those of metals and solid nonmetals.

Atomic Symbols

Abbreviations assigned to elements based on their names, used for representing elements in chemical formulas and equations.

Chromium

A lustrous, hard, and brittle metallic element used in alloys to increase strength and corrosion resistance.

Krypton

A chemical element with the symbol Kr and atomic number 36, a noble gas used in lighting and photography.