Physics · JEE | Nuclei

Match List-I with List-II: List-I List-II A Alpha rays I High-speed electrons B Beta rays II Helium nuclei C Gamma rays III Electromagnetic radiation shorter than X-rays D Mean life IV Time at which number of nuclei is \( e^{-1} \) of initial value Choose the correct answer from the options given below:

1. A
   A-(I), B-(II), C-(III), D-(IV)
2. B
   A-(II), B-(I), C-(III), D-(IV)
3. C
   A-(III), B-(IV), C-(I), D-(II)
4. D
   A-(IV), B-(III), C-(II), D-(I)