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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is वर्षा के किसी दिन इंद्रधनुष के दिखाई पड़ने के लिए कौन-सी प्रकाशीय घटना मुख्य रूप से उत्तरदायी है?

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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is वर्षा के किसी दिन इंद्रधनुष के दिखाई पड़ने के लिए कौन-सी प्रकाशीय घटना मुख्य रूप से उत्तरदायी है?






 
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