1.

A telescope has an objective of focal length 30 cm and an eyepiece of focal length 3.0 cm. It is focussed on a scale present at a distance of 2.0 m. For seeing with relaxed eye, calculate the separation between the objective and the eyepiece.

Answer»

A telescope has an objective of focal length 30 cm and an eyepiece of focal length 3.0 cm. It is focussed on a scale present at a distance of 2.0 m. For seeing with relaxed eye, calculate the separation between the objective and the eyepiece.



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