A microscope has a 9.0✕ eyepiece and a 63.0✕ objective 20.0 cm apart. (a) Calculate the...

Question

Question

A microscope has a 9.0✕ eyepiece and a 63.0✕ objective 20.0 cm apart.

(a) Calculate the total magnification.
___________✕
(b) Calculate the focal length of each lens.

eyepiece	_________cm
objective	_________cm

(c) Calculate where the object must be for a normal relaxed eye to see it in focus.
__________cm

Answer 1

Answer #1

Solution (a) Magnification -9x63 M = 567 Total magnification is M - 567 b Focal length 25 25 25 =277 F 2.77cm Focal length of

(L-F)N (L-F)N MF (20-2.77)25 567 x 2.77 0.2771 F -0.2771cm Focal length of the objective lens isF 0.2771cm (c) Image distance

Answer 2

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