What is half-life?
When we talk of the half-life of a radioactive substance we mean the rate at which the nuclei of its atoms are decaying. It is the time taken for half of the atoms in a sample of the substance to decay. It differs for different substances. Thus thorium has a half-life of 24 days while radium-221 has a half-life of30 seconds.
Related posts:
Where did wealthy Romans live? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
What is fool's gold? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
How does the seismograph measure an earthquake? Complete General Knowledge Question and Answer for C...
General Knowledge
What is forestry? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
GK Question "What Radium Is?" general knowledge book English 2021 current affairs quiz and answers f...
General Knowledge
Can a porcupine shoot its quills? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What is an albatross? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Why is the planet Mercury so hot? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What are molluscs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What were the Minoan cities like? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What is grafting? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
GK Question "What Is Skin?" general knowledge book English 2021 current affairs quiz and answers for...
General Knowledge
What is blood pressure? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
Do you know “Charminar, Hyderabad's global icon".
Do you know
Do you know “Braille printer made of LEGO blocks”.
Do you know
Which animal has a very deep voice? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
Do you know “Tagore translations in Lithuanian”.
Do you know
Do you know “Mysterious cave paintings in Chhattisgarh”.
Do you know
Where was the first theatre? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
What is inertia? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
