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Grade upto college level Modern Physics

Please help me in solving these questions:-
Q.1 Why is the relation E = pc not valid for an electron although it possess wave nature.
Q.2 Can we find the mass of a photon by definition p =mc.
Q.3 Does an elctron also have a color as it haves a wavelength.
Also, please give me reasons of correct answers of these questions of hc verma :-
Page 363,364 Obj. 1 :- 2(i think all options are correct for this question),10, 13.
Page 363 question for short answer :- 5th question.

Profile image of Shane Macguire
12 Years agoGrade upto college level
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1 Answer

Profile image of shubham sharda
11 Years ago
  1. the electron has mass too. thus this equation is incompete.
    1. the rest mass of a photon is zero , its mass when moving can only be found using relativity m=m0/(1-v^2/c^2)^1/2.