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Veto q&a 7 Month22 (1)

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Q & A<br />

@scientech<br />

gadjet and Fat Man<br />

Asst<br />

tOP gear<br />

Dhanya b.l., varun M.v.<br />

nuClear PHYsiCs<br />

Q Father of nuclear Physics<br />

A. ernest rutherford<br />

Q The strongest force of nature<br />

A. nuclear force<br />

Q Nuclear force acts between the<br />

A. nucleons<br />

nucleons - Protons and neutrons<br />

Q Father of Nuclear Physics in India<br />

A. Homi J. bhabha<br />

Q Radio Activity was invented by<br />

A. Henry becquerel (1896)<br />

Q The SI Unit for Radio Activity<br />

A. becquerel (bq)<br />

1 becquerel - 1 decay per second<br />

Q Other units for Radio Activity<br />

A. Curie, rutherford<br />

Q Which device is used to measure the intensity of<br />

Radioactivity<br />

A. actinometer<br />

Q The person who invented Actinometer<br />

A. Henry becquerel<br />

Q & A Equals<br />

• Alpha is Equivalent to Helium nucleus<br />

• Beta is Equivalent to Electrons<br />

• Gamma is Equivalent to Electro magnetic<br />

Waves<br />

Q Which device is used for detecting and measuring<br />

Radioactivity<br />

A. gieger Counter<br />

Q The term ‘Radioactivity’ was firstly coined by<br />

A. Madam Curie<br />

Q The two elements discovered by Madam Curie<br />

A. radium, Polonium<br />

Q In which element ‘Radioactivity’ was firstly discovered<br />

A. uranium salts<br />

Q The three different types of radiations emitted by<br />

radioactive substances<br />

A. alpha, beta, and gamma<br />

Q & A Rays<br />

• Particle with highest ionization energy<br />

alpha<br />

• Particle with least ionization energy<br />

gamma<br />

• Particle with highest penetrating power<br />

gamma<br />

• Particle with least penetrating power<br />

alpha<br />

• Particle with highest velocity<br />

gamma<br />

Particle with least velocity<br />

alpha<br />

• ionization energy - alpha > beta > gamma<br />

• Penetrating Power- gamma > beta > alpha<br />

• velocity - gamma > beta > alpha<br />

Q Alpha and Beta were discovered by<br />

A. ernest rutherford<br />

Q Gamma ray was discovered by<br />

A. Paul Williard<br />

Q The nickname of the first atomic bomb which was<br />

detonated at the Trinity test site<br />

A. gadget<br />

Q Bomb dropped in Japan similar to Gadget<br />

A. Fatman<br />

44<br />

Q&AUbdn current affairs & gk<br />

www.vetopsc.org<br />

follow us: facebook.com/vetotrivandrum<br />

March 2018

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