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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"sQIOONj6URWmuDHZYaqFSskUmkC59E","q","A radioisotope has a decay constant of 10\\(^{-7}\\)s\\(^{-1}\\). The average life of the radioisotope is","ans",[414],1,"2004","course","physics","exp","Average life / Half life (T\\(_{\\frac{1}{2}}\\)) = ln2/λ = 0.693/10\\(^{-7}\\)
\n= 0.693 x 10\\(^7\\)
\n= 6.93 x 10\\(^6\\)","opts",[422,423,424,425],"1.00 x 10⁷s","6.93 x 10⁶s","1.00 x 10^-7s","6.93 x 10⁷s",2,"2","initComment","initReply","actionData","errors"]

JAMB - Physics (2004 - No. 2)

Explanation

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