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15) In the mirror shown below, the angle of incident is 22º. P normal P e OR mirror c) What is the angle of reflection equal
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Answer #1

15) Acoording to Shell's law.Angle of inciden is equal to angle of reflection.Hence,

OR = 224

16) Four fundamental forces of nature in order of weakest to strongest are-

a) Gravity force

b) Weak nuclear force

c) Electromagnetic force

d) Strong nuclear force

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