The Information on a Compact Disc Is Scanned by a Laser

question 101

Multiple Choice

The information on a compact disc is scanned by a laser initially at a radius of 2.4 cm and then out to a maximum of 6.0 cm.Because the dimensions of the pit information remains constant with radius the disk motor adjusts so that the tangential velocity remains a constant.What is the ratio of the inner to outer rotational frequencies?

• A)0.16
• B)6.3
• C)1.0
• D)2.5
• E)0.40

---

Definitions:

Replacement Planning

A process in HR management that identifies and develops internal candidates to fill key positions within the organization in case they become vacant.

Succession Management

Strategic planning to identify and develop individuals within an organization to fill key leadership positions in the future.

Instructional Techniques

Methods or strategies used by educators to deliver content and facilitate learning effectively in educational settings.

Management Development

Management development involves educational activities and programs designed to enhance the skills, competencies, and knowledge of managers and potential managers within an organization.