A beam of light in air makes an angle of 51.0 ? with the surface (not the normal

Question

A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up ? =   ?   ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up ? =   ?   ? =   ?   SubmitMy AnswersGive Up A beam of light in air makes an angle of 51.0? with the surface (not the normal) of a glass plate having a refractive index of 1.76. Part A What is the angle between the reflected part of the beam and the surface of the glass? ? =   ?   SubmitMy AnswersGive Up Part B What is the angle between the refracted beam and the surface (not the normal) of the glass? ? =   ?   SubmitMy AnswersGive Up

Explanation / Answer

angle of incidence = 90-51 = 49 deg

angle of reflection = 49 deg

with the surface it is 90-49 = 51 deg

b. na sinA = nb sin B

sin B = 1* sin 49/1.76

sin B = 0.4288

B = 25.39 deg

angle with surface = 90-25.39 = 64.60 deg

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