fill in the blank
Statements:
1. Light transfers _________
2. Light has a constant of ________ about 3.0 x 105 m/s.
3. ________is a type of source that produces its own light.
4. ________is a type of source that cannot produce its own light.
5._________ material blocks and absorbs light.
6. _________material permits the passage of light and gives a clear image.
7.__________ material allow only some amount of light.
8. Light travels in a _________path.
9. Light ray is represented by an_______
10. Light is a form of an/ a ________wave.
Answer:
1. Light transfers energy.
2. Light has a constant speed of velocity about 3.0 x 10^5 m/s.
3. Sun is a type of source that produces its own light.
4. Moon is a type of source that cannot produce its own light.
5. Opaque material blocks and absorbs light.
6. Transparent material permits the passage of light and gives a clear image.
7. Translucent material allows only some amount of light.
8. Light travels in a straight path.
9. Light ray is represented by an arrow.
10. Light is a form of an electromagnetic wave.
Explanation:
1. Light transfers energy.
2. Light has a constant speed of velocity about 3.0 x 10^5 m/s.
3. Sun is a type of source that produces its own light.
4. Moon is a type of source that cannot produce its own light.
5. Opaque material blocks and absorbs light.
6. Transparent material permits the passage of light and gives a clear image.
7. Translucent material allows only some amount of light.
8. Light travels in a straight path.
9. Light ray is represented by an arrow.
10. Light is a form of an electromagnetic wave.