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5. Watter een van die volgende stellings aangaande 'n konkaafspiel is waar? Which one of the following statements concerning a concave mirror is true?
5. Watter een van die volgende stellings aangaande 'n konkaafspiel is waar? Which one of the following statements concerning a concave mirror is true? (3) (3) A. Slegs virtuele beelde se vergroting is meer as een. Only virtual images have a magnification of more than one. Wanneer die beeld virtueel is, is die vergroting altyd meer as een. B. When the image is virtual, the magnification is always more than one. Die beeld sal altyd omgekeerd wees relatief tot die voorwerp. C. The image will always be inverted relative to the object. D. Die beeld is reel slegs wanneer die voorwerpafstand minstens dubbel die brandpuntafstand is. The image is real only when the object distance is at least twice the focal length. Die beeld is altyd gele tussen die spiel en die voorwerp. E. The image is always situated between the mirror than the object. 6. 'n Sferiese spiel het 'n brandpuntafstand van -20 cm. Indien 'n voorwerp 10 cm voor die spiel geplaas word, waar word die beeld gevorm? (3) A sperical mirror has a focal length -20 cm. If an object is placed 10 cm in front of the mirror, where will the image form? (3) 20 cm voor die spiel. A. 20 cm in front of the mirror. 20 cm agter die spiel. B. 20 cm behind the mirror. 6,7 cm voor die spiel. C. 6,7 cm in from of the mirror. 6,7 cm agter die spiel. D. 6,7 cm behind the mirror. geen beeld sal vorm nie. E. no image will form. 7. 'n Voorwerp wat 2,0 cm hoog is, word 40 cm vanaf 'n konveks sferiese spiel met brandpuntafstand 20 cm geplaas. Watter stelling beskryf die beeld die beste? (3) An object of height 2,0 cm is placed 40 cm from a convex spherical mirror of focal length 20 cm. Which statement best describes the image? (3) A. B. C. D. E. Regop, 0,67 cm hoog en gele 13 cm vanaf die spiel. Upright, 0,67 cm high and located 13 cm from the mirror. Omgekeerd, 0,67 cm hoog en gele 13 cm vanaf die spiel. Inverted, 0,67 cm high and located 13 cm from the mirror. Regop, 2,0 cm hoog en gele 40 cm vanaf die spiel. Upright, 2,0 cm high and located 40 cm from the mirror. Omgekeerd, 2,0 cm hoog en gele 40 cm vanaf die spiel. Inverted, 2,0 cm high and located 40 cm from the mirror. Regop, 0,4 cm hoog en gele 8,0 cm vanaf die spiel. Upright, 0,4 cm high and located 8,0 cm from the mirror.
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