Information for Physics 1201 Midterm 2 Wednesday, March 27

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do = 25.0 − 2.0 = 23.0 cm, di = −( 75.0 − 2.0) = −73.0 cm 1 f = 1 d o + 1 d i f = 33.6 cm = 1 23.0 + 1 −73.0 ( ) f > 0, converging lens = 0.0298 cm−1 We want a virtual, upright image at the person’s near point
The Human Eye THE REFRACTIVE POWER OF A LENS – THE DIOPTER Optometrists who prescribe correctional lenses and the opticians who make the lenses do not specify the focal length. Instead they use the concept of refractive power. Refractive power (in diopters) = f 1 ( in meters)
Page 1: My lecture slides are posted at htt
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Information for Physics 1201 Midterm 2 Wednesday, March 27

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