CGPET 2013 Solved Paper

Section: Physics

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Question : 17 of 150

Marks: +1, -0

When white light from vacuum enters glass, then in glass

all the seven colours rays travel with the same speed
speed of violet colour ray is more than speed of red colour ray
speed of violet colour ray is less than speed of red colour ray
speed of yellow colour ray is minimum and speeds of violet colour ray and red colour ray are maximum and equal

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