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

Recognize the unique features of cnidarians and their role in ecosystems.

Distinguish between different feeding mechanisms among invertebrates, including filter feeding.

Comprehend the general characteristics common to all animals.

Understand the structure, function, and ecological importance of sponges.

---

Definitions:

Midterm

A type of examination or assessment typically given halfway through an academic term to measure students' understanding and knowledge in a specific course.

Final Exam

A comprehensive test given at the end of an academic course or term, assessing a student's understanding and knowledge of the covered material.

Mode

The most frequently occurring value in a given set of data.

Central Tendency

A statistical measure that identifies the center of a data set, represented by the mean, median, or mode.