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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"4RttnhDRMgtg1R4PWxIXTBki5Kudy0","q","A rod of initial lenght 2m at a temperature of 25^oC is heated to 80^oC. Calculate the increase in length of the rod if its linear expansivity is 4.0 x 10^-3K^-1","ans",[414],1,"2009","course","physics","exp","\\(l_2 - l_1 = \\alpha l_1 (\\theta_2 - \\theta_1) = 4.0 \\times 10^{-3} \\times 2(80 - 25)\\)
\n
\n= 0.44m","opts",[422,423,424,425],"0.26m","0.44m","0.53m","0.84m",16,"16","initComment","initReply","actionData","errors"]

WAEC - Physics (2009 - No. 16)

Explanation

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