Test yourself Question 1.A very narrow light ray AB strikes the surface of a convex mirror as shown on the diagram. Which of the following diagrams represents the reflected ray? Answers Option 1 a) Option 2 b) Option 3 c) Option 4 d) Question 2. The diagram shows an object placed in front of a concave mirror. Answers Option 1 a) At f Option 2 b) Between c and f Option 3 c) Between f and the mirror Option 4 d) At c Question 3. A ray (blue) passes through X, strikes a concave mirror and is reflected back (pink) through X as shown Name X. Answers Option 1 a) Centre of curvature Option 2 b) Radius of curvature Option 3 c) Focal point Option 4 d) Pole Question 4.A convex mirror produces a virtual image when the object is Answers Option 1 a) anywhere in front of the mirror Option 2 b) at the focus Option 3 c) between the centre of curvature and the focus Option 4 d) outside the centre of curvature Question 5. A student using a concave mirror, locates an inverted image, the same size and at the same position as the object.Which one of the following conclusions is justified? Answers Option 1 a) The object is at the centre of curvature of the mirror. Option 2 b) The object is at the focus of the mirror. Option 3 c) Only rays parallel to the principal axis can form a real image. Option 4 d) The object is nearer to the pole of the mirror than it is to the focal point. Question 6. Which one of the following statements is true for concave mirrors? Answers Option 1 a) They always produce real images. Option 2 b) They always produce magnified images. Option 3 c) They can concentrate the Sun's rays to produce intense heat at a spot. Option 4 d) They always produce virtual images. Question 7. The focal length of a spherical mirror is approximately equal to Answers Option 1 a) twice the radius of curvature Option 2 b) the radius of curvature Option 3 c) half the radius of curvature Option 4 d) four times the radius of curvature Question 8. The diagram shows a concave mirror. Identify the labelled parts. Answers Option 1 a) X = principal axis, Y = centre of curvature, Z = focal point Option 2 b) X = pole, Y = radius of curvature, Z = focal point Option 3 c) X = radius of curvature, Y = focus, Z = centre of curvature Option 4 d) X = principal axis, Y = radius of curvature, Z = focal point Question 9. A concave mirror forms a virtual image of a real object when the object is Answers Option 1 a) outside the centre of curtvature Option 2 b) between principal focus and the pole Option 3 c) at the focus Option 4 d) between the centre of curvature and the focus Question 10. The diagram shows an object placed in front of a concave mirror. Where will its image be formed? Answers Option 1 a) Between f and the mirror Option 2 b) To the left of c Option 3 c) Between c and f Option 4 d) At c Option 5 e) At f Enable JavaScript