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Recent questions tagged telegram-48948

(chatquestion)...(a) 0.12 (b) 0.26 (c) 1.2 O 2016] (d) 0.37 (Given Planck's constant h= 6.6x10-34 J- s) 7. Two radioactive nuclei P and Q, in a given sample decay into a stable nucleus R. At time t=0, number of P species are 4 ition of 18 days No and that of Q are No . Half-life of P (for conversion to R) on was is 1 minute where as that of Q is 2 minutes. Initially there are for safe number no nuclei of R present in the sample. When number of nuclei of P and Q are equal, the number of nuclei of R present in safe for ) 2016] [CBSE PMT (Mains) 2011] the sample would be 5No A (a) (b) 2No 9No (d) 2. lo (c) 3No

asked Jan 27, 2020 by balaji.thirumalai

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