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Mathematics 18 Online
OpenStudy (friendzone):

Which of the following does NOT contain a lens? Camera Telescope Binoculars Mirror

OpenStudy (anonymous):

2 and 4

OpenStudy (anonymous):

no lol not 2 :O

OpenStudy (anonymous):

damn, i was thinking of smthg else. then 4 thnx bswan

OpenStudy (anonymous):

haha np :)

OpenStudy (friendzone):

haha i just be checking my work thanks peeps

OpenStudy (anonymous):

na @friendzone one day ill be able to answer these Qs :P

OpenStudy (anonymous):

what was this device called that had 2 angle mirrors bswan |dw:1401612466502:dw|

OpenStudy (anonymous):

mmm let me remember this is in the submarine its called biroscop mabye ? but it has both mirror and lens

OpenStudy (anonymous):

|dw:1401612727358:dw|

OpenStudy (anonymous):

thanks @bswan, my memory started cheating on me ;)

OpenStudy (anonymous):

haha lolz :P cheat her as well :P ( ur memory ;) )

OpenStudy (anonymous):

I keep forgetting to do it bswan ;)

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