a telescope has an objective of 200 cm and an eyepiece (ocular) of focal length

Question

a telescope has an objective of 200 cm and an eyepiece (ocular) of focal length 2.5 cm. if you look into the objective (the wrong end) of the telescope, you will see distant objects reduced in size. by what factor will the angular size of objects be reduced? a telescope has an objective of 200 cm and an eyepiece (ocular) of focal length 2.5 cm. if you look into the objective (the wrong end) of the telescope, you will see distant objects reduced in size. by what factor will the angular size of objects be reduced? a telescope has an objective of 200 cm and an eyepiece (ocular) of focal length 2.5 cm. if you look into the objective (the wrong end) of the telescope, you will see distant objects reduced in size. by what factor will the angular size of objects be reduced?

Explanation / Answer

Focal length of objective f o = 200 cm

Focal length of eyepiece f e = 2.5 cm

Angular magnefication M = f o / f e

                                    = 80

Answer is 80

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