A Diffraction Grating Has 300 Lines Per Mm

question 5

Multiple Choice

A diffraction grating has 300 lines per mm.If light of frequency 4.76 × 10¹⁴ Hz is sent through this grating,at what angle does the first order maximum occur? (c = 3.00 × 10⁸ m/s)

• A)56°
• B)44°
• C)22°
• D)11°
• E)28°

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Definitions:

Prophase II

A stage of meiosis where chromosomes condense, nuclear envelopes break down, and spindle apparatus forms in each of the two daughter cells from meiosis I.

Chromatin

A complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells, structures that condense to facilitate mitosis and meiosis.

Chiasmata

The points of crossing over and genetic exchange between homologous chromosomes during meiosis.

Crossing Over

A process during meiosis in which homologous chromosomes exchange portions of their chromatids, leading to genetic variation.