A 17-Mm-Wide Diffraction Grating Has Rulings of 530 Lines Per

question 57

Multiple Choice

A 17-mm-wide diffraction grating has rulings of 530 lines per millimeter.White light is incident normally on the grating.What is the longest wavelength that forms an intensity maximum in the fifth order?

• A)377 nm
• B)352 nm
• C)402 nm
• D)427 nm
• E)452 nm

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Definitions:

Coastal Breezes

Wind currents that are generated by the temperature difference between the land and the ocean, with the land absorbing and releasing heat faster than the water.

Lichens

Symbiotic organisms consisting of a fungus and an alga or cyanobacterium, living together and often found on rocks or trees.

Adaptation

The process by which a species becomes fitted to its environment; it is the result of natural selection acting upon heritable variation.

Drought Tolerant

Refers to plants that are able to survive and thrive in conditions with very little water.