A Beam of Orange Light Illuminates Two Slits That Are

question 39

Multiple Choice

A beam of orange light illuminates two slits that are closely spaced. The resulting intensity pattern is a series of bright and dark fringes. What happens to the intensity pattern if we now change to blue light?

• A) The series of bright and dark fringes changes to circular fringes.
• B) The series of bright and dark fringes spreads out.
• C) The series of bright and dark fringes gets closer together.
• D) The series of bright and dark fringes disappears.
• E) Nothing changes.

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Definitions:

Concentric Lamellae

Circular layers of bone matrix in an osteon, surrounding a central canal in compact bone.

Central Canal

The cerebrospinal fluid-filled space that runs longitudinally through the length of the entire spinal cord.

External Ear

The outer parts of the ear, including the pinna and the ear canal, which collect and direct sound waves.

Elastic Cartilage

A type of cartilage that contains elastic fibers, providing flexibility and strength, found in the ear and epiglottis.