HARD
12th West Bengal Board
IMPORTANT
Earn 100

What is artificial radioactivity? Mention one use of radioisotopes. 

Important Questions on Nuclear Physics

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 24
A 92U238 nucleus is converted into a Pb82206 nucleus by successive radioactive disintegrations. Explain logically how many α and β particles are emitted in the process.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 25
Plot the distribution of kinetic energy of β- particles and state why the energy of spectrum is continuous.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 26
Draw a graph showing the variation of potential energy of a pair of nucleons as a function of their separation. Indicate the region in which the nuclear force is attractive .
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 26
Draw a graph showing the variation of potential energy of a pair of nucleons as a function of their separation. Indicate the region in which the nuclear force is repulsive.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 27
Draw the graph showing the variation of binding energy per nucleon with mass number. Give the reason for the decrease of binding energy per nucleon for nuclei with high mass numbers.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 28
Define the terms half-life period and decay constant of a radioactive sample. Derive the relation between these terms.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 29
  Draw a diagram to show the variation of binding energy per nucleon with mass number for different nuclei. State the reason why light nuclei usually undergo nuclear fusion. 
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 22 - Nuclear Physics>EXERCISE 22>Q 30
Why are neutrons considered as ideal particles for nuclear fission reactions?