Physics
In total internal reflection, the light travel from

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

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Physics
Which of the following events occurred first ?

Albert Einstein propounded the General Theory of Relativity
Max Planck unveiled the Quantum Theory
Marconi first tranmitted a wireless signal
Madame Marie Curie became the first woman Nobel Prize winner

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