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Physics General Knowledge Questions: Physics GK Question for Competitive Exams

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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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