Question

why is the colour blue not black.

Answer 1

Because we have defined it to be like that .. if both black and blue is same then how will you distinguish be between the two ?

Answer 2

does this means that on onother countyr they define blues as black.?

Answer 3

so far from what I have read all colors are radiations, now somehow we got lucky and are able to view a spectrum of radiation as different colors and maybe to define each sensation, each color we have named them

Answer 4

http://www.disinfo.com/2011/09/color-is-in-the-eye-of-the-beholder/

Answer 5

I wish there was a philosophy group somewhere.

Answer 6

why agd.....?

Answer 7

from what i know that everything in this worls has no coluour unless a light is present u there.

Answer 8

you need radiation energy that's, all radiation in the VIBGYOR spectrum

Answer 9

I mean to view colors you need radiation to be in VIBGYOR Spectrum

Answer 10

ROYGBIV IS a beam of light in't Ishaan

Answer 11

visible light light !!!

Answer 12

violet indigo blue green yellow orange red

Answer 13

imagine iron furnace, you don't need light there if you provide enough energy iron itself starts emitting radiation

Answer 14

ok ishaan what dou think wud happen if i were to remove your rodes in your eyes?

Answer 15

rodes what is rodes? and please don't do that

Answer 16

wud u able to c colour?

Answer 17

rode are partilcles in your eyes that allow u to c colour in the presence of light

Answer 18

without them you wud be waht we call colour blind.

Answer 19

idk about it sorry

Answer 20

hence i say we only c color in the presence of visible light

Answer 21

not in presence; don't think like that you can see colors in dark too you need energy

Answer 22

that is y a red apple appears to be red becasue A red LIGHT IS REFLECTED IN YOUR EYES.

Answer 23

there are some other phenomena too for the color you see
but basically it's all radiation, you should study electromagnetic waves

Answer 24

GO AND LOOK AT THE ELECTROMAGNECTIC SPECTRUM TABLE YOU WILL SEE VISIBLE LIGHT!!!!!.

Answer 25

Caps for shouting

Answer 26

no!

Answer 27

does a rainbow have all the colours in it even the ones we cant see?

Answer 28

yea maybe @unkle

Answer 29

you can only c rainbow if and only if the was rain and now that sun appears,@ the opposite side of were u c the rainbow.

Answer 30

and the sun has what we call visible light and that were u c a spectrum of colours.

Answer 31

the world is energy itself, energy radiates and of the whole energy spectrum we are able to view a limited spectrum what you call visible light....

Answer 32

guyz i was expecting an unswer of the sort:that a blue coulour ha sa slightley differnt wavelength and a black colour absorbs all the colours of the spectrum.

Answer 33

what wavelength is black ?

Answer 34

when all the radiation that is visible to us is absorbed, then we have black

Answer 35

thank u gyz.