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:
What is a UFO? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 St...
General Knowledge
GK Question "How The Calendar Began?" general knowledge book English 2021 current affairs quiz and a...
General Knowledge
Do you know “Get ready for smart rings!”.
Do you know
Did children play with toys in ancient times? Complete General Knowledge Question and Answer for Cla...
General Knowledge
Do robots have uses in industry? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
When did dinosaurs inhabit earth? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
How big are asteroids? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
GK Question "Do You Know, That A Cow Chews Its Cud?" general knowledge book English 2021 current aff...
General Knowledge
What did small dinosaurs feed on? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
Who invented the elevator? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, ...
General Knowledge
Were dinosaurs cannibals? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 1...
General Knowledge
What is the smallest dinosaur skeleton? Complete General Knowledge Question and Answer for Class 6, ...
General Knowledge
What is yeast? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 St...
General Knowledge
Why do we have leap years? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, ...
General Knowledge
GK Question "What Are X-Rays?" general knowledge book English 2021 current affairs quiz and answers ...
General Knowledge
What makes water evaporate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
GK Question "What A Rainbow Is?" general knowledge book English 2021 current affairs quiz and answer...
General Knowledge
Do you know "Most privately owned museums".
General Knowledge
What is cryptography? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
What is yellow fever? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
