A Laser Beam Passes Through a Thin Slit

question 41

Multiple Choice

A laser beam passes through a thin slit.When the pattern is viewed on a screen 1.25 m past the slit,you observe that the fifth-order dark fringes occur at ±2.41 cm from the central bright fringe.The entire experiment is now performed within a liquid,and you observe that each of the fifth-order dark fringes is 0.790 cm closer to the central fringe than it was in air.What is the index of refraction of this liquid?

• A) 1.33
• B) 1.40
• C) 1.49
• D) 1.62
• E) 3.05

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Definitions:

Fluid-Filled

Containing or encapsulated by a liquid substance; often refers to body parts or systems that hold fluids necessary for functioning.

Brain Areas

Specific regions within the brain that are responsible for various functions, such as emotion, movement, and cognition.

MRI

Magnetic Resonance Imaging, a medical imaging technique used to visualize internal structures of the body in detail.

Brain Tissue

The complex biological tissue comprising the brain, involving neurons, glial cells, and other components essential for cognitive and physiological functions.