A passenger in an aeroplane shall...

A passenger in an aeroplane shall

never see a rainbow

may see a primary and a secondary rainbow as concentric circles

may see a primary and a secondary rainbow as concentric arcs

shall never see a secondary rainbow

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A passenger in an aeroplane may see a primary and a secondary rainbow like concentric circles.

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NCERT EXEMPLAR ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS -VERY SHORT ANSWER TYPE QUESTIONS

A passenger in an aeroplane shall
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