Cepheid Variable Stars Pulsate Regularly in Size

question 94

Multiple Choice

Cepheid variable stars pulsate regularly in size. During the contraction part of the cycle, when the star's temperature is increasing, the peak wavelength of the emitted radiation will

• A) shift from the visible to the UV part of the spectrum.
• B) shift from the UV to the visible part of the spectrum.
• C) remain unchanged.
• D) change randomly, independent of the temperature changes.

---

Definitions:

Classes

In object-oriented programming, these are blueprints from which individual objects are created, containing fields and methods to define the object's properties and behavior.

OOD

Short for Object-Oriented Design, which is a programming paradigm based on the concept of "objects" that contain data in the form of fields, and code, in the form of procedures.

High-Level Language

A programming language that is designed to be easy for humans to read and write, abstracting the details of the computer architecture.