Final answer:
Light, composed of particles called photons, can exert pressure on matter. Photons possess both wave-like and particle-like properties, as explained by de Broglie. The intensity and energy of light are determined by the flow of photons.
Explanation:
Light can exert pressure on matter because it is made of particles called photons. Photons have zero mass but carry energy and momentum, leading to their interaction with matter.
These photons are particles that exhibit wave-like and particle-like properties according to de Broglie's theory, resolving the debate of light being waves or particles.
Particles of light are known as photons, and they contribute to the intensity and energy of light through their specific oscillation frequency.
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