![When white light moves through vacuum](https://www.gkseries.com/blog/wp-content/uploads/2022/05/When-white-light-moves-through-vacuum-.png)
Q. When white light moves through vacuum :
A. Violet has greater speed than red
B. Red has greater speed than violet
C. All colours have the same speed
D. Different colours have different random speeds
Answer: All colours have the same speed
A. Violet has greater speed than red
B. Red has greater speed than violet
C. All colours have the same speed
D. Different colours have different random speeds
Answer: All colours have the same speed
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