Physics Practice: Light (Mock Test 5 - Ultimate Comprehensive)
1. The Rectilinear Propagation of light means that light travels:
2. Which of the following is a non-luminous object?
3. A shadow consists of a central dark region called the ________.
4. A pinhole camera works on the principle of:
5. A material that allows most light to pass through it is:
6. A solar eclipse occurs when the ________ is between the Sun and the Earth.
7. The image formed in a pinhole camera is always ________.
8. During a lunar eclipse, the ________ comes between the Sun and the Moon.
9. Which of the following is an example of a translucent object?
10. The speed of light in vacuum is approximately ________.
11. A shadow is formed when a/an ________ object is placed in the path of light.
12. The partially dark region of a shadow is called the ________.
13. A collection of light rays moving in a specific direction is a ________.
14. If an object is moved closer to the source of light, the shadow becomes ________.
15. Solar and Lunar eclipses occur due to the formation of ________.
16. Fireflies are a natural source of light known as ________ sources.
17. A beam of light where rays come together at a point is a ________ beam.
18. The size of the image in a pinhole camera ________ if the object is moved closer.
19. Which of the following is an artificial source of light?
20. Light requires ________ to travel from one place to another.