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আকাশ নীল দেখায় কেন?

নীল আলোর তরঙ্গ দৈর্ঘ্য বেশি বলে

নীল সমুদ্রের প্রতিফলনের ফলে

নীল আলোর বিক্ষেপণ অপেক্ষাকৃত বেশি বলে

নীল আলোর প্রতিফলন বেশি বলে

ANSWER : 3

Descrption

<p class = "MsoNormal"><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আকাশ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নীল</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দেখায়</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলোর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">একটি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিশেষ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ধরনের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ততার</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">কারণে</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এই</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ততা</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ঘটে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলোর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তরঙ্গ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দৈর্ঘ্যের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">চেয়ে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এক</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দশমাংশ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">কম</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তরঙ্গ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দৈর্ঘ্যের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">কণায়</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">প্রতিফলিত</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">হলে</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এই</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ততা</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">উচ্চমাত্রায়</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলোর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তরঙ্গ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দৈর্ঘ্যের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ওপর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নির্ভর</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">করে</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নিম্ন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তরঙ্গদৈর্ঘ্যের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">সবচেয়ে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেশি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ত</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">হয়</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নিম্ন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বায়ুমণ্ডলে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ক্ষুদ্র</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">অক্সিজেন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এবং</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নাইট্রোজেন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">অণু</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নিম্ন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তরঙ্গদৈর্ঘ্যের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ত</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">করে</span><span style = "font - size: 12.0pt; line - height: 115%;"> -  </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">যেমন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নীল</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এবং</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেগুলি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলো</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">এমনকি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">প্রকৃতপক্ষে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">৪০০</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ন্যানোমিটার</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> (</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেগুনি</span><span style = "font - size: 12.0pt; line - height: 115%;">) </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">৭০০</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ন্যানোমিটার</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আলোর</span><span style = "font - size: 12.0pt; line - height: 115%;"> (</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">লাল</span><span style = "font - size: 12.0pt; line - height: 115%;">) </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিক্ষিপ্ততার</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">চেয়ে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">৯</span><span style = "font - size: 12.0pt; line - height: 115%;">.</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">৪</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">গুন</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেশি</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">যদিও</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বায়ুমণ্ডলের</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">কণাগুলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নীল</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">রশ্মির</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">চেয়ে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেগুনি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">রশ্মিই</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বেশি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">প্রতিফলিত</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">করে</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">তথাপি</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">আকাশ</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">নীল</span><span style = "font - size: 12.0pt; line - height: 115%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">দেখায়</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span></p>

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