gn berman question no. 1676 to 1759

There is a stream of neutrons with a kinetic energy of 0.0327 eV . If the half-life of neutrons is 700 s , what fraction of neutrons will decay before they travel is distance of 10 m ? Given mass of neutron = 1.676 xx 10^(-27) kg .

An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the question bank, what is the probability that it will be an easy question given that it is a multiple choice question?

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Concept of resonance Questions | Nature of pie bonds Questions | Solid state hybridisation Questions | Hydridisation Questions

NCERT Question Answer|Previous Year Question Answer - Comprehension Questions|Previous Year Question Answer - Texted Based Questions|Summary

NCERT Question Answer|Previous Year Question Answer - Comprehension Questions|Previous Year Question Answer - Texted Based Questions|Summary

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