Question

.
If an object emits or reflects light

it must be the color white.
it cannot be a gas.
it has a smooth surface.
it can be seen by the eye.

Answer 1

@roadjester

Answer 2

"white" only reflects while black only absorbs

Answer 3

IR can't be seen by the eye

Answer 4

D

Answer 5

*confused*

Answer 6

@Homi Infared light can't be seen by the eye

Answer 7

Light is not an object

Answer 8

it's an EM wave

Answer 9

It says object that can reflect or let through light @

Answer 10

now if anything passes 100% light it wont be seen to naked eye, see meta materials (invisibility cloak for example wikipedia)

Answer 11

like the one harry potter had (it quite possible to make one, its been made already)
so answer is D my dear
Regards

Answer 12

"an object that emits or reflects light"
a flashlight is an object that emits light
a mirror reflects light
both are objects

Answer 13

um, why don't we skip this question :)

Answer 14

Yeay roadjester is right but in that case none of the options stays valid

Answer 15

well that's much better,...

Answer 16

LOL so none of them is right

Answer 17

@ybarrap

Answer 18

I just noticed that... :/

Answer 19

good for you

Answer 20

:)

Answer 21

@agent0smith

Answer 22

why not ask @satellite73?

Answer 23

because i've only seen said person in the math group?

Answer 24

@theEric

Answer 25

heck, you've tagged me for History if I'm not mistaken

Answer 26

well @wio thank God you came :)

Answer 27

@wio, didn't know you were a physics person

Answer 28

I think it is the last one.

Answer 29

actually that was the wrong answer :(
THE CORRECT ANSWER WAS C

Answer 30

LOL

Answer 31

It kinda makes sense for reflection but not emmission

Answer 32

YEP LOL :P

Answer 33

That's just wrong though. A jagged object can reflect light.

Answer 34

tinted glass is not smooth

Answer 35

Yup :) every option can be wrong/right, i just think not enough information is given to justify any option.

Answer 36

so i gotta agree with @wio

Answer 37

IT'S NOT MY FAULT THE TEST IS NOT RIGHT....

Answer 38

sure it is; you're the one asking =)

Answer 39

jk jk

Answer 40

:D alright see you guys later :) have a nice day you all

Answer 41

I KNOW :)

Answer 42

YOU TOO @Homi :)

Answer 43

thanks :)

Answer 44

When you get crappy questions like this , find a way to report it to your school, via email or w/e.

"it has a smooth surface" is a terrible correct answer. Gases can emit light, do they have smooth surfaces?

Answer 45

I got this same question on study island, and i put D and got it right