Answer: Option D Note that the reading shown on the detector (536 counts per second) includes the sum of count rate from the...

Answer: Option B We usually encounter decay graph of the unstable radiaoactive substance. But this graph is the mass-time graph of the...

Answer: Option B To solve this question, you need to apply your FLHR. From the image, you will be able to know the orientation of the...

Answer: Option D Alpha emission is the least penetrating, easily be blocked by a few cm of air, skin or thin paper. Beta emission can be...

2002PPQ38, 2003PPQ38, 2005PPQ37, 2006PPQ38, 2007PPQ39 Answer: Option B Answer: Option D Answer: Option B Answer: Option C Answer: Option...

2005SPQ20, 2006PPQ40, 2005PPQ38, 2003PPQ39 Answer: Option A Answer: Option D Answer: Option B Answer: Option C Answer: Option B Answer:...

Alpha particle is a helium nucleus which is positive charged . Beta particle is an electron which is negative charged . Gamma ray has...

Half-life of a radioactive nuclide is the time taken for half the nuclei of that nuclide in any sample to decay . (time taken for the...

On the nuclear trail: The dawn of a global renaissance in nuclear energy (Source: Strait Times 19 Oct 2024) https://www.straitstimes.com/...