October 2018 2 67 Report
Benda mula-mula terletak di depan lensa cembung (+) dab bayangannya tampak seperti gambar!

benda kemudian digeser sejauh 45cm dari posisi mula-mula menjahui lensa, maka jarak bayangan benda dari lensa adalah...

tolong dijawabkan dan penjelasannya
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