Question

5%) Problem 13: $sig.gif?tid=2N74-08-DD-43-8D37-13532$ A camera with a 50.0 mm focal length lens is being used to photograph a person standing 3.75 m away.

50% Part (a) How far, in centimeters, must the film be from the lens? $sig.gif?tid=2N74-08-DD-43-8D37-13532$ di = 50% Part (b) If the film is s = 36.0 mm high, what percent of the width of the film will a 1.5 m tall person take up? $sig.gif?tid=2N74-08-DD-43-8D37-13532$ |ho|/s (%) =

Answer 1

f-50min 3.fom, S-36 mm. 7.5m= all Using thin-lens equation If Mutlu /v=1/4-1/ 1/v = 1/50x103) 1/3150 - V=5-067 cm] -) excess distance from lens and film Magnification (5.067) m=-1/4 - (345) = 0.0135 m=hilho - 0.0135 = 11/150cm => h;= 0.0135x150 -> hi- 2.025cm (ov) 20-25 mm V.ch with of the film 20-25 mm x100 = 156-25% 36mm