Physics, asked by sabbir4674, 1 year ago

A ray of light travelling in the direction 1/2 (i+3j) is incident on a plane mirror. After reflection, it travels along the direction 1/2(i-2j)

Answers

Answered by sharmasingh
3
A ray of light travelling in the direction 1/2 (i+3j) is incident on a plane mirror. After reflection, it travels along the direction 1/2(i-2j)
Answered by kashishsharma37
2

ans is 30°.take cos 0 ={1/2 i-√3/2j}/1/2i+√3/2

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