PHY136H5 Chapter : 2613 The Telescope

The objective lens and the eyepiece lens of a telescope are 1.0 m apart. The telescope has an angular magnification of 15.Find the focal length of the eyepiece.Find the focal length of the objective.

The objective lens and the eyepiece lens of a telescope are 1.0 mapart. The telescope has an angular magnification of 15.
Find the focal length of the eyepiece.
Find the focal length of the objective.

The objective of a telescope has a focal length of 50cm and the focal length of the ocular is 2cm. What is the angular magnification of the telescope? Using the ray diagram in figure 4, derive the appropriate expression.