Visible Light, with a Frequency of 6

question 59

Multiple Choice

Visible light, with a frequency of 6.0 *10¹⁴ Hz, is reflected from a spaceship moving directly away at a speed of 0.90c.The frequency of the reflected waves observed at the source is:

• A)3.2 *10¹³ Hz
• B)1.4 * 10¹⁴ Hz
• C)6.0*10¹⁴ Hz
• D)2.6 * 10¹⁵ Hz
• E)1.1 *10¹⁶ Hz

---

Definitions:

Complex Adaptions

Traits that have evolved through the specific and intricate interplay of multiple genetic and environmental factors to solve specific problems of survival or reproduction.

Sex Pili

Hair-like appendages on the surface of bacteria used to transfer genetic material between cells during conjugation.

Exogenous DNA

DNA that originates outside an organism and can be introduced through viruses, horizontal gene transfer, or genetic engineering.

Spiracles

Small openings on the surface of some animals, especially insects, used for breathing.