1026_Physics ProblemsTechnical Physics

1026_Physics ProblemsTechnical Physics - Chapter 36 Section...

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Chapter 36 367 Section 36.7 The Eye P36.47 P fpq ==+= −= = 1111 1 0250 400 . .. m diopters diopters, a diverging lens P36.48 For starlight going through Nick’s glasses, 111 pq f += 11 0800 1 125 + == . . m diopters af f . For a nearby object, 0180 1 p + =− . . m m , so p = 23 2 . cm . P36.49 Consider an object at infinity, imaged at the person’s far point: 1 q m q 25 0 The person’s far point is 25 0 2 00 27 0 . cm cm cm from his eyes. For the contact lenses we want 0270 1 370 + ==− . . m diopters f . Section 36.8 The Simple Magnifier Section 36.9 The Compound Microscope Section 36.10 The Telescope P36.50 (a) From the thin lens equation: 25 0 1 500 p + = cm cm or p = 417 c m . (b) M q pf = − =+ =+ = 1 25 0 1 25 0 600 . cm cm 5.00 cm
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