EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2021>Q 9

EASY

KCET (UG)

IMPORTANT

Earn 100

In a nuclear reactor heavy nuclei is not used as moderators because

75% studentsanswered this correctly

Important Questions on Nuclear Physics

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2018>Q 1

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

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2019>Q 2

Two protons are kept at a separation of

10 nm .

. Let

F_{n}

and

F_{e}

be the nuclear force and the electromagnetic force between them

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2020>Q 3

Two protons are kept at separation of

10 nm

. Let

F_{n}

and

F_{e}

be the nuclear force and the electromagnetic force between them

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2018>Q 4

The half-life of tritium is

12.5

years. What mass of tritium of initial mass

64 mg

will remain undecayed after

50

years?

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2020>Q 6

A radio-active element has a half-life of

15 years

. What fraction of this element will decay in

30

years

?

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2019>Q 7

The end product of decay of

_{90} {Th}^{232}

is

_{82} {Pb}^{208}

. The number of

α

and

β

particles emitted are respectively

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Nuclear Physics>KCET (UG) 2021>Q 9

In a nuclear reactor heavy nuclei is not used as moderators because