💡 Physics Mega Fill In the Blanks: Light & Shadows

💡 Physics Mega Fill In the Blanks: Light & Shadows

Type the correct terms based on the worksheet!

1. objects do not cast any shadow.

2. The Moon is a object.

3. Butter paper and smoked glass are examples of objects.

4. Bricks and metals are classified as objects.

5. Air is not always transparent; it becomes translucent in the presence of or smoke.

6. Living organisms like jellyfish and fireflies that produce light show .

7. A medium with uniform composition throughout is called a medium.

8. A light beam where rays meet at a single point is called a beam.

9. The narrow path along which light energy travels is called a of light.

10. A very small source of light, like a tiny hole, is a source.

11. To form a shadow, we need a light source, an opaque object, and a .

12. We can see through objects but not very clearly.

13. We can see ourselves in a mirror because of the process of .

14. Light travels in a straight line; this is called propagation.

15. When a torch is moved closer to an opaque object, the shadow becomes .

16. A frosted plastic sheet does not form a shadow because it is translucent.

17. Sunlight entering through a small hole in a dark room creates a camera effect.

18. To make a glass sheet translucent, you can apply a thin layer of .

19. The darker, central region of a shadow is called the .

20. The outer, lighter region of a shadow is called the .

21. An image formed by a pinhole camera is always .

22. A shadow is always because it is a region where light is blocked.

23. are examples of natural luminous bodies in space.

24. A medium that allows light to pass through it easily is called .

25. Plastic is a body.

26. A beam where light rays spread out from a point is a beam.

27. Any substance through which light propagates is called an medium.

28. In a shadow, the umbra region receives light from the source.

29. A shadow provides information about the of an object.

30. The is the primary source of light for Earth.