EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 31 - Nuclear Physics>COMEDK UGET 2014>Q 1

EASY

COMEDK UGET

IMPORTANT

Earn 100

The energy equivalent of $1 g$ of a substance is

75% studentsanswered this correctly

Important Questions on Nuclear Physics

MEDIUM

COMEDK UGET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 31 - Nuclear Physics>COMEDK UGET 2014>Q 1

Find the energy equivalent of one atomic mass unit in Joules and in

MeV .

EASY

COMEDK UGET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 31 - Nuclear Physics>COMEDK UGET 2015>Q 1

A sample of a radioactive element whose half-life is

30 s

contains a million nuclei at a certain instant of time. How many nuclei will be left after

10 s

?

(2^{\frac{1}{3}} = 1.26)

EASY

COMEDK UGET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 31 - Nuclear Physics>COMEDK UGET 2015>Q 1

A radioactive substance decays at

1 / 32

of its initial activity in

25 days .

Its half life is

EASY

COMEDK UGET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 31 - Nuclear Physics>COMEDK UGET 2015>Q 1

A nuclear fission is said to be critical when multiplication factor of

k