A CD Player Uses a Laser with Wavelength 900 Nm

question 26

Multiple Choice

A CD player uses a laser with wavelength 900 nm. If the CD has a plastic coating with index 1.50, what is the wavelength in the plastic?

• A) 600 nm
• B) 500 nm
• C) 1350 nm
• D) 750 nm

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Definitions:

Offsets

A numeric value representing the distance from a specific point in a data structure, used to locate particular elements.

Expressions

Combinations of variables, operations, and values that are evaluated to produce another value in programming.

Pointers

Variables that store the address of another variable, making indirect referencing and memory manipulation possible.

Integer Array

A data structure that stores a collection of integers in a contiguous block of memory, allowing indexed access.