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Physics General Knowledge Questions: Physics GK Question for Competitive Exams

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Physics Questions and Answers for Competitive Exams

Q. What are Alpha particles?

Ans . Helium nucleus 

Q. How does Alpha, Beta and Gama radiations come out of a radioactive substance?

Ans . spontaneously 

Q. Where is installed the most powerful accelerator, the atom smasher?

Ans . Illinois, USA 

Q. Where in India is cyclotron, the particle accelerator machine installed?

Ans . Kolkata 

Q. X-rays consists of what?

Ans . Electromagnetic radiations 

Q. What are cosmic rays?

Ans . High energy particles 

Q. Who discovered positron?

Ans . Anderson 

Q. What is ratio of the frequencies of the long wavelength limits of the Hyman and Balmer series of hydrogen?

Ans . 5:27 

Q. What is called the law of equivalence of mass and energy?

Ans . Einstein’s law 

Q. What is known as, no two fermions can exist in identical quantum states?

Ans . Pauli Exclusion Principle 

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