Solved papers for JEE Main & Advanced JEE Main Paper (Held On 26 May 2012)
done JEE Main Paper (Held On 26 May 2012) Total Questions - 1
question_answer1) The counting rate observed from a radioactive source at t = 0 was 1600 counts \[{{s}^{-1}}.\], and t = 8 s, it was 100 counts \[{{s}^{-1}}.\]. The counting rate observe das counts \[{{s}^{-1}}.\] at t = 6 s will be.
JEE Main Online Paper (Held On 26-May-2012)