Physics
Which elements are malleable and good conductors of electricity?

Tin and xenon
Iodine and silver
Tin and silver
Iodine and xenon

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Physics
In total internal reflection, the light travel from

Denser to rarer medium and it occurs with no loss of intensity
Rarer to denser medium and it occurs with no loss of intensity
Rarer to denser medium and it occurs with loss of intensity
Denser to rarer medium and it occurs with loss of intensity

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