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Mathematics 18 Online
OpenStudy (adamaero):

If a quantity is quantized, that means: a) It can only take real values (no imaginary or complex values allowed) b) The square of its modulus can only take real values c) It can only take values that are related to integer multiples of something

OpenStudy (adamaero):

I'd not choose "c", but I can't decide between the other two.

OpenStudy (irishboy123):

c

OpenStudy (adamaero):

Why?

OpenStudy (inkyvoyd):

Goes down to the core of "quantum" mechanics. Think about planck's constant, and such.

OpenStudy (irishboy123):

ask why a) might be the answer, maybe?

OpenStudy (adamaero):

What, it's "c" because quantum means discrete?

OpenStudy (adamaero):

Discrete means countable sets, and that means integers.

OpenStudy (irishboy123):

yep!! for me, at least!!

OpenStudy (adamaero):

@inkyvoyd Is that what you think too?

OpenStudy (adamaero):

I don't see how planck's constant applies.

OpenStudy (inkyvoyd):

Well again, that is the whole point of the word "quantum" in "quantum mechanics". questions similar to this one might help. http://physics.stackexchange.com/questions/32112/classical-limit-of-quantum-mechanics The whole reason we got quantum mechanics in the first place was because people were working on problems, using a finite h planck's constant, and letting it approach zero. But shocking was that you couldn't get correct results when you let h approach zero... it stayed as a small, but finite, QUANTUM number.

OpenStudy (adamaero):

So it's definitely not multiple answers?

OpenStudy (inkyvoyd):

Figure that out for yourself

OpenStudy (adamaero):

Aw, I've been doing this assignment all day. (I don't have any more time to explore the book.)

OpenStudy (irishboy123):

all those answers are correct the book wants the last answer though

OpenStudy (adamaero):

Thank you very much!

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