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Class VI Science Talent Test: Light, Shadows and Reflections
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Class VI Science Talent Test: Light, Shadows and Reflections
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25 Questions

1. An optical medium having uniform composition throughout is
2. A non luminous body can be made luminous by
3. The smooth polished surface from which reflection takes place is
4. A body which emits light by itself is
5. Reflection does not takes place from a
6. An example for the rectilinear propagation of light is
7. Wool is a
8. Shadows are formed only when the
9. A dark patch formed by an opaque body placed in the path of light is called
10. An optical medium having uniform composition throughout is
11. A non luminous body can be made luminous by
12. Mist is a
13. Luminous objects are objects
14. A body which emits light by itself is
15. This takes place from smooth polished surface when a beam of light falls on it
16. The shadow is the dark outline of
17. The size of a shadow of an opaque object close to the screen and away from the source of light
18. The speed of light is
19. Shadows are
20. Mist is a
21. Vacuum is a
22. A red hot iron wire starts emitting light, at this time the temperature of the iron is
23. The shadow is the dark outline of
24. Moons and planets
25. The smooth polished surface from which reflection takes place is