Refraction of Light

question 1 of 2 Grade: Eleven - G11
question 1 of 2 Grade: Eleven - G11

Q: Light enters glass (n=1.51) at 30° incidence. Angle of refraction?

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Did You Know?

The correct answer is: 'They said that they were going to the market then.' Present continuous (are going) changes to past continuous (were going), pronouns change (we → they), and time expressions change (now → then). Example: Direct: 'I am reading now,' he said. Indirect: He said that he was reading then. Time and place words often shift: today → that day, here → there, tomorrow → the next day, etc.

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