Slide 1 / 56 Slide 2 / 56 1 When an object is placed in front of a plane mirror 2 A point object is placed in front of a plane mirror. the image is: Which is the correct location of the image produced by the mirror? Upright, magnified and real A A A B Upright, the same size and virtual B B Inverted, demagnified and real C C C Inverted, magnified and virtual D D D Upright, magnified and virtual E E E Slide 3 / 56 Slide 4 / 56 3 A narrow beam of light is incident on the surface 4 A candle is placed in of a plane mirror. The initial angle between the front of a concave incident ray and reflected ray is 2α. If the mirror is mirror. The image turned around point A by the angle Θ what is the produced by the mirror change of the angle between two rays? is: Real, inverted and magnified A Θ A Real, inverted and demagnified B 2Θ B C Virtual, upright and magnified 4Θ C Virtual, upright and demagnified D D Θ/2 Real, upright and magnified E Θ/4 E Slide 5 / 56 Slide 6 / 56 5 A candle is placed in front 6 A candle is placed in front of a concave mirror. The of a concave mirror. The image produced by the image produced by the mirror is: mirror is: A Real, inverted and magnified Real, inverted and magnified A Real, inverted and demagnified B Real, inverted and demagnified B Virtual, upright and magnified C Virtual, upright and magnified C Virtual, upright and demagnified D D Virtual, upright and demagnified Real, upright and magnified E
Slide 7 / 56 Slide 8 / 56 7 A candle is placed in 8 A very narrow light ray AB front of a convex strikes the surface of a mirror. The image concave mirror, as shown produced by the in the diagram. Which of mirror is: the following diagrams represents the reflected ray? Real, inverted and magnified A B C A Real, inverted and demagnified B Virtual, upright and magnified C D Virtual, upright and demagnified E D Slide 9 / 56 Slide 10 / 56 10 A very narrow light ray AB 9 A candle is placed in strikes the surface of a front of a convex concave mirror, as shown mirror. The image in the diagram. Which of produced by the the following diagrams mirror is: represents the reflected ray? A Real, inverted and magnified B C A Real, inverted and demagnified B Virtual, upright and magnified C Virtual, upright and demagnified D D E Slide 11 / 56 Slide 12 / 56 12 An object is located far away from a concave 11 A very narrow light ray mirror. The image is located at: AB strikes the surface of a convex mirror as shown on the diagram. Which of the following A The distance d>R diagrams represents the The distance d<F B reflected ray? The distance F<d<R C A B C The focal point D More information is required E E D
Slide 13 / 56 Slide 14 / 56 13 An object is placed at the focal point in front of a 14 An object is placed at the center of the curvature concave mirror. The image is located: in front of a concave mirror. The image is located: The distance d>R The distance d=R A A B The distance d<F B The distance d<F The distance F<d<R The distance F<d<R C C The focal point The focal point D D No image is formed No image is formed E E Slide 15 / 56 Slide 16 / 56 15 A light ray AB is incident 16 A light ray AB passes from obliquely on the surface of a glass into air at an angle glass block. Which of the less than the critical angle. following diagrams represents Which of the following the refracted ray? diagrams represents the refracted ray? A B C C A B E D D E Slide 17 / 56 Slide 18 / 56 17 A light ray AB passes from 18 A boy is trying to catch a fish glass into air the critical angle. from a lake. Which of the Which of the following following diagrams represents diagrams represents the image of the fish observed the refracted ray? by the boy? B C A C A B E D D E
Slide 19 / 56 Slide 20 / 56 19 Which of the lens or lenses is the converging 20 Which of the lens or lenses is the diverging lens? lens? I and V A I and V A II, III and IV B B II, III and IV II and III C II and III C III and IV D III and IV D E IV and V IV and V E Slide 21 / 56 Slide 22 / 56 21 An object is placed in front of a converging lens at 22 An object is placed in front of a converging lens at a distance greater than 2F. The image produced a distance between F and 2F. The image produced by the lens is: by the lens is: Real, inverted and demagnified A Real, inverted and demagnified A Real, inverted and magnified B Real, inverted and magnified B Virtual, upright and magnified C Virtual, upright and magnified C Virtual, upright and demagnified D Virtual, upright and demagnified D E Virtual, inverted and magnified E Virtual, inverted and magnified Slide 23 / 56 Slide 24 / 56 23 An object is placed in front of a converging lens at 24 An object is placed in front of a diverging lens at a a distance less than F. The image produced by the distance between F and 2F. The image produced lens is: by the lens is: Real, inverted and demagnified A A Real, inverted and demagnified B Real, inverted and magnified Real, inverted and magnified B Virtual, upright and magnified C Virtual, upright and magnified C Virtual, upright and demagnified D Virtual, upright and demagnified D Virtual, inverted and magnified E Virtual, inverted and magnified E
Slide 25 / 56 Slide 26 / 56 26 A light ray is incident on a glass prism 25 A light ray is incident on a glass prism with one angle of 90 ̊and the other with one angle of 90 ̊and the other angle θ. If θ is less than the critical angle θ. If θ is greater than the critical angle for glass-air boundary, which of angle for glass-air boundary, which of the following is correct for the the following is correct for the emerging ray from the opposite face of emerging ray from the opposite face the prism? of the prism? A B A B C C D D E E Slide 27 / 56 Slide 28 / 56 1. A candle is placed at a distance of 15 cm from of a concave mirror 1. A candle is placed at a distance of 15 cm from of a concave mirror with a focal length of 10 cm. The candle is 4 cm tall. with a focal length of 10 cm. The candle is 4 cm tall. a. On the diagram below use ray-tracing to show the image produced a. On the diagram below use ray-tracing to show the image produced by the mirror. by the mirror. b. Find the image distance. Is the image real or virtual? c. Find the size of the image. Is the image upright or inverted? d. The concave mirror is replaced by a convex mirror. On the diagram below use ray-tracing to show the new image formed by the convex mirror. Slide 29 / 56 Slide 30 / 56 1. A candle is placed at a distance of 15 cm from of a concave mirror 1. A candle is placed at a distance of 15 cm from of a concave mirror with a focal length of 10 cm. The candle is 4 cm tall. with a focal length of 10 cm. The candle is 4 cm tall. b. Find the image distance. Is the image real or virtual? c. Find the size of the image. Is the image upright or inverted?
Slide 31 / 56 Slide 32 / 56 1. A candle is placed at a distance of 15 cm from of a concave mirror with a focal length of 10 cm. The candle is 4 cm tall. d. The concave mirror is replaced by a convex mirror. On the diagram below use ray-tracing to show the new image formed by the convex mirror. 2. An object is placed at a distance of 60 cm from a converging lens with a focal length of 20 cm. a. On the diagram below use ray-tracing to show the image formed by the lens. b. Calculate the image distance. Is the image virtual or real? c. If the object is 10 cm tall, what is the size of the image? d. An identical converging lens is placed behind the first lens at the focal point. On the diagram below use ray-tracing to show the image formed by two lenses. Slide 33 / 56 Slide 34 / 56 2. An object is placed at a distance of 60 cm from a converging lens 2. An object is placed at a distance of 60 cm from a converging lens with a focal length of 20 cm. with a focal length of 20 cm. a. On the diagram below use ray-tracing to show the image formed b. Calculate the image distance. Is the image virtual or real? by the lens. Slide 35 / 56 Slide 36 / 56 2. An object is placed at a distance of 60 cm from a converging lens 2. An object is placed at a distance of 60 cm from a converging lens with a focal length of 20 cm. with a focal length of 20 cm. d. An identical converging lens is placed behind the first lens at the c. If the object is 10 cm tall, what is the size of the image? focal point. On the diagram below use ray-tracing to show the image formed by two lenses.
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