I am a particle, yet I am not visible; I can be both a wave and a particle. What am I?
Category: Knowledge · Difficulty: hard
Hint: I am essential for light.
Answer
Light particle
Explanation
A photon is the fundamental particle of light, demonstrating dual wave-particle characteristics in quantum mechanics.
This is a hard knowledge riddle — a tricky one that takes a little thought. The answer is Light particle.
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