The Change in Wavelength (And Therefore Frequency)of Waves That Happens

question 5

Multiple Choice

The change in wavelength (and therefore frequency) of waves that happens if the source of the waves is moving is explained by the

• A) Big Bang theory.
• B) nebular theory.
• C) expanding Universe theory.
• D) Doppler effect.

---

Definitions:

Experimental Study

A research methodology that determines the cause-and-effect relationship between variables by manipulating and controlling for certain factors.

Anorexia Symptoms

Signs of an eating disorder characterized by an intense fear of gaining weight, significantly reduced food intake, and a distorted body image.

Food Deprivation

The lack of access to sufficient quantities of nutritious food, leading to hunger or undernourishment.

Independent Variable

A variable in an experiment that is manipulated or changed to observe its effects on the dependent variable.