Email: bbcnoun@gmail.com Whatsapp: 08131667008 PHY192 Question: The light incident on one surface of a prism is refracted causing a deviation of Answer: Incident ray Question: The angle between the Incident and emergent rays is called Answer: Angle of Deviation Question: A prism has surface refracting Answer: Two Question: The Pitch is calculated as x/10. What is x? Answer: Distance covered by the screw for 10 oscillation. Question: In the use of the spherometer, the plane mirror all the lens must be Answer: Cleared Question: The ratio of pitch versus the number of division on the circular scale gives of a spherometer. Answer: Least count Question: Is used to determine the radius of curvature of lens. Answer: Spherometer Question: In the light experiment the error due to must be avoided Answer: Parallax Question: Is necessary in determing the refractive index of a plane convex lens Answer: Plane Mirror Question: 1 + r/f can be used to measure where r = radius of curvature, f = focal length Answer: Refractive Index Email: bbcnoun@gmail.com Whatsapp: 08131667008