Question

An object is located 25.0 cm from a convex mirror. The image distance is –50.0 cm. What is the magnification?

Answer 1

@Vocaloid

Answer 2

IIRC the sign convention for object location is always positive

so m = -di/do gives m = -(-50)/25?

Answer 3

not 100% sure

Answer 4

so equals 2

Answer 5

yeah that's my best attempt ;_; wish I had a more solid understanding of the sign convention but this stuff confuses me

Answer 6

Its alright if you dont understand, not your fault.

Answer 7

@Vocaloid your answer is correct :)

Answer 8

thanks @rishavraj
how's your understanding of mirrors & lenses? I know zark has a lot of these problems and I'm not entirely sure about some of them

Answer 9

Yup have another one :/

Answer 10

see if that magnification is +ve, it means image is Upright

Answer 11

@Vocaloid I studied these stuffs like 4 years back... :P

Answer 12

if the magnification is -ve, means image is inverted

Answer 13

so like this

Answer 14

@zarkam21 yesss

Answer 15

okay what about the larger or smaller part

Answer 16

if the numerical part is more than 1, it means image is larger....
less than 1, image is smaller
equals to 1, of same size

Answer 17

like this

Answer 18

yesss