Suppose the Apparent Wavelength of the Known Lines in the Spectrum

question 55

Multiple Choice

Suppose the apparent wavelength of the known lines in the spectrum of hydrogen are measured to increase by 50% when light from a distant galaxy is observed on Earth (this is known as the Red Shift) .Calculate the speed of recession of the galaxy relative to Earth as a percentage of the speed of light.

• A)50%
• B)20%
• C)38%
• D)63%
• E)60%

---

Definitions:

Psychological Transitions

Changes in psychological status or condition that occur as part of development, often relating to life events or phases.

Normative Changes

Changes that occur in a predictable pattern or sequence with age, often considered typical or standard within a population.

Existing Schema

A cognitive framework or concept that helps organize and interpret information.

Identity Assimilation

A psychological process where individuals integrate their new experiences into their existing self-concept, often modifying it to maintain a consistent identity.