The difference between Observable and Perceivable
When used as adjectives, observable means able to be observed, whereas perceivable means capable of being perceived.
Observable is also noun with the meaning: any physical property that can be observed and measured directly and not derived from other properties.
check bellow for the other definitions of Observable and Perceivable
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Observable as an adjective:
Able to be observed.
Examples:
"usex The strange new star was at the edge of the observable universe."
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Observable as an adjective:
Deserving to be observed; worth regarding; remarkable.
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Observable as a noun (physics):
Any physical property that can be observed and measured directly and not derived from other properties
Examples:
"Temperature is an observable but entropy is derived."
"In quantum mechanics, observables correspond to [[Hermitian operator]]s. Also, they act a lot like random variables. Taking their [[expected value]] one may recover something resembling a [[classical]] observable."
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Perceivable as an adjective:
Capable of being perceived; discernible.