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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},"2IFIYfF87OmxWLGLEZRxiNeDnwyhzB","q","In a resonance tube experiment, the effective length of the air column for the first resonance is 20cm when set into vibration by a tuning fork of frequency 480Hz. Neglecting and effect, the velocity of sound in air is","ans",[414],3,"1990","course","physics","exp","\\(\\lambda\\) = 4(L + C) ; where C = o
\n
\n\\(\\lambda\\) = 4 x 20 = 80cm
\n
\nV = \\(\\lambda\\)F
\n
\n= 80 x 10^-2 x 480 = 384ms^-1","opts",[422,423,424,425],"96ms^-1","255ms^-1","340ms^-1","384ms^-1",25,"25","initComment","initReply","actionData","errors"]

JAMB - Physics (1990 - No. 25)

Explanation

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