An Astronomical Telescope Has an Objective of Diameter 20 Cm

question 17

Multiple Choice

An astronomical telescope has an objective of diameter 20 cm with a focal length of 180 cm.The telescope is used with an eyepiece of focal length 30 mm.What is the angular magnification of this telescope?

• A) 360 x
• B) 60 x
• C) 540 x
• D) 6 x
• E) 180 x

---

Definitions:

Outcomes

The results or consequences of actions taken within a specific context or scenario.

Altruism

The selfless concern for the well-being of others, often resulting in actions that benefit others at a personal cost.

Ethical Leadership Principle

Refers to guiding leadership practices with core ethical values such as honesty, integrity, fairness, and respect for others.

Leader-Member Exchange

A theory describing the dyadic relationship between leaders and members, highlighting the importance of bilateral trust, respect, and obligation.