Multiple choice general knowledge science & technology

Who of the following won the Nobel Prize for his work on Photoelectric effect

  1. Albert Einstein

  2. Werner Heisenberg

  3. Steven Weinberg

  4. Max Planck

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A Correct answer
Explanation

Albert Einstein received the Nobel Prize in Physics in 1921 specifically for his discovery of the photoelectric effect, not for relativity as commonly believed. His work explained how light can eject electrons from materials and established the quantum nature of light, which was revolutionary in understanding light-matter interactions.