Lect26 - $& 1 $ 2" air i i water 1.3 2 glass 2 glass...

Unformatted text preview: # $ %& 1 $ % 2 ! " air i i water 1.3 2 glass 2 glass 1.5 1.5 ( ) ( ) ( ) # ) )) ) # # + ! # ( )) # ! , i * ) $- % )) $. % . )/ / 0 # ! $( % $ %& $ % % $ %1 . )/ / 0 $ %& 1 ' .02 3 - 2 / 0 $ ( 5 What happens to the focal length of a converging lens when it is placed under water? A. increases B. decreases C. stays the same + ! ! ! # # 6 ! ! 5 7 ! nlens nair 4 9+ : ! ! + + 6 5 + # # + ! !* 6 # ;< 8 6 ! + + # 3 = ( ? @ ( !! # > + ! f f ; ! %3 %3 # # > !! object f image B # 5 # ! ! A D ! ! 0> ! 1 S 1 S 1 f M S S + ! DC DC DC C & ! < 0> ! 1 S 1 S 1 f M S S + f>0 DC 0> ! CE ! + ! E 1 S 1 S 1 f M S S + DC EC DC 3 ! ( ! !! # > + ' 0> ! ! ! 1 S 1 S 1 f M S S + ! EC DC EC 4 0> D D ! !! F D + f D DC + 1 S 1 S 1 f M S S DC ! f 8 ) 1 S 1 S 1 f # S S B ! 5 M + ! ? ? # [email protected] [email protected] ( 5 A converging lens is used to project the image of an arrow onto a screen as shown above. The image is A. real and upright B. real and inverted C. virtual and upright D. virtual and inverted )! GH .0 0- s 1 s 1 s 1 f 0 M s s = ( 5 + A converging lens is used to project the image of an arrow onto a screen as shown above. A piece of black tape is now placed over the upper half of the lens. Which of the following is true? A. Only the lower half of the object (i.e. the arrow tail) will show on the screen B. Only the upper half of the object (i. e. the arrow head) will show on the screen C. The whole object will show on the screen ; ( ! + + ! + ! ( ! + ! + 6 ! ! , + + ! # + !! " " A converging lens is used to project the image of an arrow onto a screen as shown above. A piece of black tape is now placed over the upper half of the lens. Which of the following is true? A. Only the lower half of the object (i.e. the arrow tail) will show on the screen B. Only the upper half of the object (i. e. the arrow head) will show on the screen A C. The whole object will show on the screen ( - ! ! - # + 8 * ! + 29 ! ! , C! ! * ! ! + : : :G : :( + :H ! ! $ ! + ,% ! + # 0I 1 J 1 & 1 G &F 1 C - ! ! - # + 8 * ! + 29 ! ! , C! ! * ! ! + ) ! $- % 0- , $. % K ) H! # + - ! # + - ! ! - # + 8 * ! + 29 ! ! , C! ! * ! ! + L # + , $- % ! s f 1 s $. % s 1 s f $( % s f I 1 f s K ( )! + EC DC DC fs s f s f 0 - ! ! - # + 8 * ! + 29 ! ! , C! ! * ! ! + s , fs s f 6 ! $- % M I G I G ! s f f $. % M f f s $( % M f s f $3 % M f s f 1 s 1 f 1 s M s s f s f s fs s f M ' - ! ! - # + 8 * ! + 29 ! ! , C! ! * ! ! + M f s f $- % * ! =! $. % !! $( % ;! ! $3 % 4C ! ! $0 % C ! ! M f M f s f 5 10 mm s M 1 f M s 4 f 5 8 mm s sM 40 mm 4 7 # # C! ! * # # H ! $- % E $. % & (C) D $3 % > 0 M H - )9 2 M f s f s f M 1 M )( H 0 M f 5 10 mm s 4 f 5 8 mm + 3 # G # # # # + + ! 8 7 # # " # $ ! C! ! * # # H M f s f $- % M 1 2 $. % M 5 $( % M 3 8 $3 % M 5 9 $0 % M 4 5 0 M H - )9 2 M f s f )( H 0 s 8 mm f 10 mm M 10 8 ( 10) 10 18 5 9 ...
View Full Document