Double-Slit Interference: Two Sources of Light Illuminate a Double Slit

question 4

Multiple Choice

Double-slit interference: Two sources of light illuminate a double slit simultaneously. One has wavelength 570 nm and the second has an unknown wavelength. The bright fringe of the unknown wavelength overlaps the bright fringe of the light of 570 nm wavelength. What is the unknown wavelength?

• A) 456 nm
• B) 326 nm
• C) 380 nm
• D) 713 nm

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Definitions:

Osmosis

The movement of water molecules through a semipermeable membrane from a region of lower solute concentration to one of higher solute concentration.

Hydroponically

A method of growing plants in a nutrient-rich solution rather than in soil, allowing for controlled environmental conditions.

Lettuce

A leafy green vegetable, commonly used in salads and other dishes, belonging to the genus Lactuca.

Limiting Factors

Environmental conditions that restrict the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.