More lenses. Object O stands on the central axis of a thin symmetric lens. For t

Question

More lenses. Object O stands on the central axis of a thin symmetric lens. For this situation (see the table below, al distances are in centimeters), find (a) the lens type, converging or diverging, (b) the image distance i, and (c) the lateral magnification m. It also refers to whether (d) the image is real or virtual, and (e) on the same side of the lens as O or on the opposite side Type R/V I/NI Side 21 +9.3 1.0 NI (b) Number Units (c) Number Units S This answer has no units o (degrees) cm kg m/s m/s 2

Explanation / Answer

Given object distance

p=+9.3 cm

a)

SInce focal length is positive ,the lens is Converging

b)

1/f = 1/i + 1/p =

1/i = 1/f - 1/p => i = 16.69 cm

c)

m = - 16.69/9.3 = -1.794

d)

since image distance i>0 ,the image is Real

e)

on the Opposite side

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