Physics General Knowledge Questions: Physics GK Question for Competitive Exams
Physics Questions for SSC Exams
Q. What is called the Weinberg and Salam theory unifying electromagnetic forces and weak nuclear interaction?
Ans . Electroweak theory
Q. What is the name of the hypothetical theory that would unify all the fundamental forces of nature?
Ans . super grand unified theory
Q. What is called exchange of energy between one particles and an electromagnetic wave?
Ans . Interaction
Q. What does Frank-Hertz experiment establish?
Ans . The Frank-Hertz experiment establish that there are discrete energy levels in atoms
Q. In which regions of the spectrum, Hyman and balmer series lie?
Ans . They lie in ultraviolet and visible regions respectively
Q. In which regions of the spectrum, the Paschen series lies?
Ans . In ultraviolet and infra-red
Q. Who gave principle that “any given quantum orbit in an atom can be occupied by no more than two electrons”?
Ans . Pauli
Q. Who introduced the concept of electron spin?
Ans . Uhlenbeck and Goudsmit
Q. In which form is energy radiated from a source?
Ans . Photons
Q. What must we consider to explain fine structure of the spectrum of hydrogen atom?
Ans . Spin angular momentum
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Rajesh Bhatia
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