Write any two uses of soft X-rays.

Important Questions on Radioactivity and Nuclear Energy

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 29

What is a nuclear fission?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 30

What is chain reaction?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 31

Give an example of a controlled chain reaction.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 31

Give an example of an uncontrolled chain reaction.

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 32

What is a fusion reaction?

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 33

What is the source of solar energy?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 34

What will happen when all hydrogen on the Sun will convert into helium?

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 12 - Radioactivity and Nuclear Energy>QUESTIONS>Q 1

Complete the following nuclear reaction: ${}_{2}H{e}^4+{}_{2}H{e}^4\to {}_{3}L{i}^7+ \_\_\_\_\_ .$