An astronomical telescope in normal adjustment has a tube length of 93 cm and magnification (angular) of 30. If eye-piece is to be drawn out by 3 cm to focus a near object, with the final image at infinity, find how far away is the object and the magnification (angular) is this case.

7 views

1 Answers

Correct Answer - `27.9m,31`

7 views

Related Questions