![Draw the action of astronomical telescope in normal adjustment and derive an expression for magnification. Draw the action of astronomical telescope in normal adjustment and derive an expression for magnification.](https://digitalteachers.co.ug/wp-content/uploads/2021/04/Bbosa3.jpg)
Draw the action of astronomical telescope in normal adjustment and derive an expression for magnification.
Draw the action of astronomical telescope in normal adjustment and derive an expression for magnification.
Note,
- when an astronomical telescope is in normal adjustment, the final image is formed at infinity
- the focal length of the objective is bigger than that of eye piece
- the principal focuses of the two lenses coincide
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CATEGORIES Physics questions and answers
TAGS Dr. Bbosa Science