Question

Why light have dual nature??????​

Answer 1

Scientists now believe that light is both a wave and a particle – a property which they term the wave-particle duality. Light travels as a wave. The speed of a light wave is always c = 3.00×108 m/s. The frequency, f, and wavelength, λ, of a light wave are related by the formula c = fλ.

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Answer 2

Answer:

Explanation:

Light has a dual nature.

1.Sometimes it behaves like a particle (called a photon), which explains how light travels in straight lines.

2. Sometimes it behaves like a wave, which explains how light bends (or diffracts) around an object.

Quantum mechanics tells us that light can behave simultaneously as a particle or a wave. When UV light hits a metal surface, it causes an emission of electrons. Albert Einstein explained this "photoelectric" effect by proposing that light – thought to only be a wave – is also a stream of particles