Question

An object is located 35.0 cm from a convex mirror. The image distance is –12.7 cm. What is the magnification?

Answer 1

@rishavraj

Answer 2

@zarkam21 seriously .?? photography ??? o_O

Answer 3

Yes it has to do with photography, like lens and stuff

Answer 4

\[m = - \frac{ v }{ u }\]

Answer 5

okay so

m=-(-12.7)/35

Answer 6

\[-(~\frac{ -12.7 }{ -35 })\]

Answer 7

its not -35

Answer 8

its 35

Answer 9

u need to check the convention :) it would be -35
until u plan to use a VIRTUAL object :P

Answer 10

@Vocaloid what do u think?

Answer 11

so your saying its

m=-(-12.7)/-35

Answer 12

yes :)

Answer 13

i got 0.36

Answer 14

is that right

Answer 15

-ve sign is missing

Answer 16

no but with the double negative there is no (-) sign in the answer

Answer 17

isn't object distance for a real object positive? would it be -(-12.7/35)? or am I messing up the sign convention :S

Answer 18

Yeah thats what I thought ^ @Vocaloid

Answer 19

@Vocaloid that is what I meant.. the object is on left side.. so it would be negative :\

Answer 20

alright ^^" I'll let you handle this

Answer 21

@Vocaloid dont u back off .... what do u think ?? :P

Answer 22

so is the answer 0.36 or -0.36

Answer 23

-0.36 ... dont scream on me if its wrong :P

Answer 24

oh okay thanks