O-LevelPhysicsLight5054/12 · Oct/Nov 2021 · Q231 Mark

Light reflects from a plane mirror as shown. Which row is always correct?

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Asymbol of angle X: i, relationship between X and Y: X = Y

Bsymbol of angle X: i, relationship between X and Y: X + Y = 90°

Csymbol of angle X: r, relationship between X and Y: X = Y

Dsymbol of angle X: r, relationship between X and Y: X + Y = 90°

✓ Correct answer

C: symbol of angle X: r, relationship between X and Y: X = Y

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