What is fission reaction?

Important Questions on Nuclear Physics

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 19

What is fusion reaction?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 20

What is the source of solar energy.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 21

Name the process in which two nuclei combine to form a new nucleus.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 22

Write the name of two units of radioactivity.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 23

What is the energy equivalence of $1\mathrm{Kg}$ of matter.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 24

Write the name of a coolant used in nuclear reactor.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 25

Which of the two is more energetic - fission of ${\mathrm{U}}^{235}$ or fusion of hydrogen nuclei?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 26

${{}_{92}\mathrm{U}}^{235}$ decays to thorium, by emitting an $\mathrm{\alpha }$-particle. What is the mass number and atomic number of thorium?