How would Feynman answer examination questions?

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Question: Explain the meaning of diffraction of light. Textbooks may not provide a comprehensive definition of diffract...

Question : Define electric field and explain why, when defining the electric field, the test particle must be stationary . ...

Question : What is the mass of a photon? The answer to this question is dependent on your definition of mass. If your d...

I am a fan of Feynman, with over ten years of experience teaching introductory physics. I don’t really like travelling, but I visited th...

Question : What is the difference between speed and velocity? In some physics textbooks, speed is defined as the rat...