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সর্বাপেক্ষা ছোট তরঙ্গ দৈর্ঘ্যের বিকিরণ হচ্ছে-
আলফা রশ্মি
বিটা রশ্মি
রঞ্জন রশ্মি
গামা রশ্মি
ANSWER : 4
Descrption
<p class = "MsoNormal"><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">গামা</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';">রশ্মি</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';">বা</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';">গামা</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';">বিকিরণ</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';">প্রতীক</span><span style = "font - size: 12.0pt; line - height: 115%;"> γ) </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">একপ্রকার</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';">উচ্চ</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "কম্পাঙ্ক" href = "https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%BE%E0%A6%99%E0%A7%8D%E0%A6%95"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">কম্পাঙ্কের</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">খুব</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';">ছোট</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "তরঙ্গদৈর্ঘ্য" href = "https://bn.wikipedia.org/wiki/%E0%A6%A4%E0%A6%B0%E0%A6%99%E0%A7%8D%E0%A6%97%E0%A6%A6%E0%A7%88%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A7%8D%E0%A6%AF"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">তরঙ্গদৈর্ঘ্য</span></a> <a title = "তড়িচ্চুম্বকীয় বিকিরণ" href = "https://bn.wikipedia.org/wiki/%E0%A6%A4%E0%A6%A1%E0%A6%BC%E0%A6%BF%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A7%81%E0%A6%AE%E0%A7%8D%E0%A6%AC%E0%A6%95%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%AC%E0%A6%BF%E0%A6%95%E0%A6%BF%E0%A6%B0%E0%A6%A3"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">তড়িৎ</span><span style = "color: windowtext;"> - </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">চুম্বকীয়</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">বিকিরণ</span></a></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';">ইহা</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';">বিভিন্ন</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';">সাব</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';">এটমিক</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';">কণার</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';">মিথষ্ক্রিয়া</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';">ইলেক্ট্রন</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';">পজিট্রন</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';">অবলুপ্ত</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';">প্রক্রিয়া</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';">পাইয়ন</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';">অবক্ষয়</span><span style = "font - size: 12.0pt; line - height: 115%;">, <a title = "তেজস্ক্রিয় অবক্ষয় (পাতার অস্তিত্ব নেই)" href = "https://bn.wikipedia.org/w/index.php?title = %E0%A6%A4%E0%A7%87%E0%A6%9C%E0%A6%B8%E0%A7%8D%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC_%E0%A6%85%E0%A6%AC%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC&action = edit&redlink = 1"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">তেজস্ক্রিয়</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">অবক্ষয়</span></a>, <a title = "ফিউশন বিক্রিয়া (পাতার অস্তিত্ব নেই)" href = "https://bn.wikipedia.org/w/index.php?title = %E0%A6%AB%E0%A6%BF%E0%A6%89%E0%A6%B6%E0%A6%A8_%E0%A6%AC%E0%A6%BF%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE&action = edit&redlink = 1"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">ফিউশন</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">বিক্রিয়া</span></a>, <a title = "ফিশন বিক্রিয়া (পাতার অস্তিত্ব নেই)" href = "https://bn.wikipedia.org/w/index.php?title = %E0%A6%AB%E0%A6%BF%E0%A6%B6%E0%A6%A8_%E0%A6%AC%E0%A6%BF%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE&action = edit&redlink = 1"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">ফিশন</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">বিক্রিয়া</span></a>, </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিপরীত</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "কম্পটন বিচ্ছুরণ (পাতার অস্তিত্ব নেই)" href = "https://bn.wikipedia.org/w/index.php?title = %E0%A6%95%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%9F%E0%A6%A8_%E0%A6%AC%E0%A6%BF%E0%A6%9A%E0%A7%8D%E0%A6%9B%E0%A7%81%E0%A6%B0%E0%A6%A3&action = edit&redlink = 1"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">কম্পটন</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">বিচ্ছুরণ</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">ইত্যাদির</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';">মাধ্যমে</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';">তৈরি</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%;"> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">গামা</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';">কম্পাংক</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';">সাধারণত</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';">১০১৯</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "হার্জ" href = "https://bn.wikipedia.org/wiki/%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9C"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">হার্জের</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">উপরে</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';">তাই</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';">এর</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';">শক্তি</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';">১০০</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';">কিলো</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "ইলেকট্রন - ভোল্ট" href = "https://bn.wikipedia.org/wiki/%E0%A6%87%E0%A6%B2%E0%A7%87%E0%A6%95%E0%A6%9F%E0%A7%8D%E0%A6%B0%E0%A6%A8 - %E0%A6%AD%E0%A7%8B%E0%A6%B2%E0%A7%8D%E0%A6%9F"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">ইলেকট্রন</span><span style = "color: windowtext;"> - </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">ভোল্ট</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">উপরে</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';">তরঙ্গদৈর্ঘ্য</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';">১০</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "পিকোমিটার" href = "https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%BF%E0%A6%95%E0%A7%8B%E0%A6%AE%E0%A6%BF%E0%A6%9F%E0%A6%BE%E0%A6%B0"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">পিকোমিটার</span></a> </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';">ছোট</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';">যা</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';">প্রায়শ</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';">অণুর</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';">আয়তনের</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';">তুলনায়</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';">অনেক</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';">ছোট। </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';">ফরাসি</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';">রসায়নবিদ</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';">পদার্থবিজ্ঞানী</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "পল ভিলার্ড (পাতার অস্তিত্ব নেই)" href = "https://bn.wikipedia.org/w/index.php?title = %E0%A6%AA%E0%A6%B2_%E0%A6%AD%E0%A6%BF%E0%A6%B2%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A1&action = edit&redlink = 1"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">পল</span><span style = "color: windowtext;"> </span><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">ভিলার্ড</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">১৯০০</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';">সালে</span><span style = "font - size: 12.0pt; line - height: 115%;"> <a title = "রেডিয়াম" href = "https://bn.wikipedia.org/wiki/%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">রেডিয়াম</span></a> </span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Vrinda', 'sans - serif';">বিকিরণ</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';">নিয়ে</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';">পরীক্ষা</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';">করার</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';">সময়</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';">গামা</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';">রশ্মি</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';">আবিষ্কার</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';">করেন</span><span style = "font - size: 12.0pt; line - height: 115%; font - family: 'Mangal', 'serif';">। </span></p>
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