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20.Four students A,B,C and D traced the pathofa ray oflight through a rectangular glassslab and marked Li,Lr and Lerespectively as shown below. Whoseobservation is correcta) A and Bc) Only Bb) B and Cd) A and Cstudont oorries ouhe eyneriment of tracin

Answer»

option b because band c reflects in figure of b and c



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