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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},"mI2belqsfgXDgxpFvtYVaZPi9E1osk","q","Light of velocity 3 x 10⁸ms^-1 is incident on a material of reflective of index n. If the velocity of light is reduced to 2.4 x 10⁸ms^-1 in the material, what is n?","ans",[414],3,"1997","course","physics","exp","n = \\(\\frac{3 \\times\\ 10^8}{2.4 \\times\\ 10^8}\\)
\n
\nn = 1.25","opts",[422,423,424,425],"2.33","2.25","1.33","1.25",28,"28","initComment","initReply","actionData","errors"]

JAMB - Physics (1997 - No. 28)

Explanation

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