In a Two-Slit Experiment Using Coherent Light,the Distance Between the Slits

question 39

Multiple Choice

In a two-slit experiment using coherent light,the distance between the slits and the screen is 1.10 m,and the distance between the slits is 0.100 mm.If the first-order bright fringe is measured to be 3.40 cm from the centerline,what is the wavelength of the light?

• A)354 nm
• B)241 nm
• C)133 nm
• D)3.09 μm
• E)2.11 μm

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Definitions:

Water Table

The level below which the ground is saturated with water, marking the boundary between the unsaturated zone above and the saturated zone below.

Groundwater

Water that occupies the pores and fractures in underground rock and soil, a critical source of freshwater for drinking, agriculture, and industry.

Spring

A place where groundwater flows out of the ground onto the surface.

Spring

A natural flow of groundwater emerging at the surface, typically where the water table meets the ground surface.