Speed of Light

Q. 1 nanosecond is part of a second.

1. one millionth
2. one billionth
3. one-tenth

Q.

How fast does light travel?

1. 299, 792 kilometers per second

2. 86 Miles Per Second

3. 186 Miles Per Second

4. 18, 600 Miles Per Second

Q. 1 nanosecond is part of a second.

1. one millionth
2. one billionth
3. one-tenth

Q. Which of the following objects emit light on their own?

1. Sun
2. Fireflies
3. Moon
4. Earth
5. Burning candle
6. Flashlight
7. Blackboard
8. Jellyfish