Jun Jie tested three sheets of material, X, Y, and Z, by placing them between a light source and a light sensor. The light sensor reading was 500 lux without any sheet. Based on the table, which sheet is most likely OPAQUE?
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Worked Solution
Step 1: Opaque materials block all light from passing through.
Step [2-9]: A light sensor behind an opaque material should show a reading of 0 lux.
Step [2-9]: Material Z shows 0 lux.
Correct answer: Material Z (Reading: 0 lux)
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