Which among the following materials: has lustre, is hard and opaque?
A
Rubber
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B
Wood
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C
Tin
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D
Plastic
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Solution
The correct option is C Tin Objects that do not allow light to pass through them are called opaque objects. Objects that allow light to pass through them are called transparent objects. Rubber, wood and Tin are opaque. Rubber and wood are not lustrous. Tin is hard, opaque and lustrous.