Question: 1. Does light always travel at the same speed? Explain. 2. What name is given to the entire range of waves that are similar to

1. Does light always travel at the same speed? Explain.
2. What name is given to the entire range of waves that are similar to visible light?
3. Who proposed the particle theory of light?
4. Who developed the wave packet theory of light?
5. Who made the first estimate of the speed of light?
6. How was the first estimate of the speed of light made?
7. What are the units of luminous intensity?
8. In your own words, explain luminous intensity.

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