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प्रश्न
Choose the correct option for the colour of rays for A and B.
विकल्प
Colour of Ray A Colour of Ray B Blue Red Colour of Ray A Colour of Ray B Green Yellow Colour of Ray A Colour of Ray B Red Violet Colour of Ray A Colour of Ray B Violet Indigo
MCQ
उत्तर
| Colour of Ray A | Colour of Ray B |
| Red | Violet |
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