pls answer the attachment
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1. a. Seven colours (VIBGYOR)
2. b. Go straight without refraction.
3. b. Spectrum [IMO question is absurd. The process is called dispersion of light and the seven colours of light obtained upon dispersion is called spectrum]
4. d. Far objects seem closer. [c. is absolutely not, since they do not actually move. Ex. we see the first rays of sunlight (about 2 mins) earlier than thesun comes up the horizon due to refracted light entering our eyes.]
5. a. away from the normal path [sorry man, too much cant explain...]
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