/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 9 : Light – Reflection and Refraction This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 The pole of spherical mirror is: Centre of sphere Midpoint of mirror Focus Image point 2 / 10 The phenomenon responsible for apparent bending of a pencil in water is: Reflection Dispersion Scattering Refraction 3 / 10 When light passes from air to glass, it bends: Away from normal Towards normal Along surface Does not bend 4 / 10 A convex lens forms virtual image when object is placed at 5 cm (f = 10 cm). Image is: Real Virtual Inverted At infinity 5 / 10 If v = +20 cm for convex mirror, image is: Real Inverted Magnified Virtual 6 / 10 A concave mirror of focal length 20 cm forms image at 40 cm. Object distance is: –40 cm –30 cm –20 cm –60 cm 7 / 10 If focal length of concave mirror is doubled, its power: Doubles Halves Becomes zero Remains same 8 / 10 A ray entering glass from air at 30° bends to 19°. Refractive index is nearly: 1.3 1.8 1.2 1.5 9 / 10 A convex lens used as magnifying glass forms image that is: Real Virtual and erect Inverted Diminished 10 / 10 A concave lens has power –5 D. Focal length is: –0.2 m 0.2 m –5 m 5 m Your score is 0% Restart quiz
