Angle-of-incidence-is-40-if-the-direction-of-the-incidence-ray-is-constant-and-the-mirror-is-rotated-through-20-the-angle-between-the-new-reflected-ray-and-new-normal-is-

Question Number 218652 by Tawa11 last updated on 14/Apr/25

Angle of incidence is 40° if the direction of the
incidence ray is constant and the mirror is
rotated through 20° the angle between the
new reflected ray and new normal is

Commented by Tawa11 last updated on 14/Apr/25

$$\mathrm{I}\:\mathrm{got}\:\mathrm{60}° \\ $$

Commented by mr W last updated on 14/Apr/25

$${it}\:{depends}\:{on}\:{in}\:{which}\:{direction} \\ $$$${you}\:{the}\:{mirror}\:{rotate}.\:{the}\:{answer} \\ $$$${can}\:{be}\:\mathrm{60}°\:{or}\:\mathrm{20}°. \\ $$

Commented by mr W last updated on 14/Apr/25

Commented by Tawa11 last updated on 15/Apr/25

$$\mathrm{Thanks}\:\mathrm{sir}. \\ $$$$\mathrm{I}\:\mathrm{appreciate}. \\ $$

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