Science Test – 22 Apr (Topic-Light) April 22, 2024 Manoj Jha After 40 min Test will close automatically Science (Topic-Light) Test Please submit below details before proceed<<Don't worry we wont call its Just for Tracking purpose>> 1 / 13 The image formed on a cinema screen is an example of:A. Real ImageB. Virtual ImageC. Point ImageD. Plane Image d b a c 2 / 13 Focal length of plane mirror is a. At infinity b. Zero c. Negative d. None of these b d c a 3 / 13 Name a metal which is the best reflector of light?A. GoldB. SilverC. IronD. Magnesium d a c b 4 / 13 An incident ray is:A. The point at which incident ray falls on the mirror.B. The ray of light which is sent back by the mirror.C. The ray of light which falls on the mirror surface.D. The ray which makes right angle to the mirror surface. a b c d 5 / 13 On which theory nature of light depends upon:A. Wave theoryB. Particle theoryC. Both A and BD. Only A d c a b 6 / 13 Which object does not reflect more light?A. Polished SurfaceB. Shining SurfaceC. UnpolishedD. Both A and B a d b c 7 / 13 In optics an object which has higher refractive index is called a. Optically rarer b. Optically denser c. Optical density d. Refractive index d b a c 8 / 13 Image formed by plane mirror is a. Real and erect b. Real and inverted c. Virtual and erect d. Virtual and inverted b c d a 9 / 13 A concave mirror gives real, inverted and same size image if the object is placed a. At F b. At infinity c. At C d. Beyond C d b c a 10 / 13Also Check: Acid Base and Salt - Science Quiz Test 08 Aug 2024 The optical phenomena, twinkling of stars, is due to a. Atmospheric reflection b. Total reflection c. Atmospheric refraction d. Total refraction b d c a 11 / 13 The unit of power of lens is a. Metre b. Centimeter c. Diopter d. M-1 c b d a 12 / 13 We see the image of our face when we look into the mirror. It is due to:A. InterferenceB. DiffractionC. PolarisationD. Reflection c a d b 13 / 13 Which statement is correct about the laws of reflection:(i) The incident ray, normal ray and the reflected ray all lie in the same plane.(ii) The angle of reflection is always equal to the angle of incidence.(iii) The angle of incidence is equal to the angle formed by normal ray.(iv) The angle of reflection is equal to 90 degreeA. Both (i) and (ii)B. Both (ii) and (iii)C. Both (iii) and (iv)D. (i), (ii) and (iv) are correct d a c b Your score is Let Everyone know your Achievement. LinkedIn Facebook Twitter VKontakte 0% Restart quiz Post Views: 73
