1) 1. The incident ray, the reflected ray, and the normal are on the same side of the mirror. a) True  b) False 2) 2. In both repetitions, the measure of the angle of incidence is equal to the measure of the angle of reflection a) True b) False 3) 3.The angle of incidence and the angle of reflection are equal in measure. a) Equal b) Unequal 4) 4. The incident ray, the reflected ray, and the normal are on the same side of the reflecting surface. a) Same b) Different 5) 5.The incident ray, the reflected ray, and the normal lie in the same a) One Point b) Different Point 6) 6. The phenomenon of bending of light when it passes from one medium to another is called.... a) A) Reflection b) B) Dispersion c) C) Refraction d) D) Diffraction 7) 7. In this experiment, which point is called the point of incidence? a) A) Point P b) B) Point O c) C) Point R d) D) Point N 8) 8.The line drawn perpendicular to the surface at the point of incidence is called..... a) A) Normal b) B) Refracted ray c) C) Incident ray d) D) Emergent ray 9) 9.Which instrument is used to measure the angles of incidence and refraction? a) A) Scale b) B) Protractor c) C) Compass d) D) Divider 10) 10.When a ray of light passes from a rarer to a denser medium, it bends: a) A) Away from the normal b) B) Towards the normal 11) 11.The incident ray, refracted ray, and normal all lie in the: a) A) Same medium b) B) Same plane c) C) Different planes d) D) At right angles 12) 12.Which law is verified using this experiment? a) A) Law of Reflection b) B) Snell’s Law c) C) Law of Diffraction d) D) Law of Polarization 13) 13.The ratio sin(i) / sin(r) is known as.... a) A) Angle constant b) B) Sine ratio c) C) Refractive index d) D) Critical angle 14) 14.If the angle of incidence is 45°, and the light passes from air to glass, the refracted ray bends: a) A) Away from the normal b) B) Towards the normal 15) 15.The emergent ray is: a) A) The ray that strikes the surface b) B) The ray that bends inside the medium c) C) The ray that comes out from the denser medium d) D) The normal line

JKC Experiment No. 8. Study of Refraction of Light through a Plane Surface

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