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Ludmilka [50]
3 years ago
12

Describe light with respect to its speed and its dual nature as both a wave and a particle.

Chemistry
1 answer:
Sedbober [7]3 years ago
5 0

Answer:

Scientists have been debating over light being a wave or particle since its recognition.

Sir Issac Newton discovered that light had frequency and other properties. Newton described light to be a particle because it created shadows which were sharp and very clear.

Francesco Maria Grimaldi, claimed that light was a wave. This was because this scientist observed the diffraction of light and hence, claimed light to be a type of wave.

The speed of light is 299 792 458 m / s. Nothing can travel faster than light.

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Answer:

<h3>KBr + I- ---------> KI + Br-</h3>

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electropositive replaces only electropositive elements from compound. same is true for electronegative element

in first reaction I being electro negative replaces Br from KBr so this is a single displacement reaction

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