A Refracting Telescope Has an Eyepiece of Focal Length -80

question 109

Short Answer

A refracting telescope has an eyepiece of focal length -80 mm and an objective of focal
length 36 cm. What is the magnification of this instrument?

---

Definitions:

Major Depressive Disorder

A mental health condition characterized by persistent feelings of sadness, loss, or anger that interfere with daily activities.

Catatonic

A state of psycho-motor immobility and behavioral abnormality, often associated with schizophrenia.

Melancholic

Pertaining to a form of depression marked by severe feelings of sadness, despair, and a lack of interest in life.

Anhedonia

The inability to experience pleasure from activities usually found enjoyable.