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দৃশ্যমান আলোর ক্ষুদ্রতম তরঙ্গ দৈর্ঘ্য কোন রঙের আলো?

লাল

নীল

সবুজ

বেগুনী

ANSWER : 4

Descrption

<table style = "border - collapse: collapse; width: 66.6069%; height: 179px;" border = "1">
<tbody>
<tr style = "height: 43px;">
<td style = "width: 29.7887%; height: 43px;">রঙ </td>
<td style = "width: 30.0285%; height: 43px;">তরঙ্গদৈর্ঘ্য <br />(nm)</td>
<td style = "width: 3.0581%; height: 43px;">কম্পাংক <br />THz</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">বেগুনী </td>
<td style = "width: 30.0285%; height: 21px;">৩৮০ - ৪৫০</td>
<td style = "width: 3.0581%; height: 21px;">৬৬৮ - ৭৮৯</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">নীল </td>
<td style = "width: 30.0285%; height: 21px;">৪৫১ - ৪৭৫</td>
<td style = "width: 3.0581%; height: 21px;">৬৩১ - ৬৬৮</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">আসমানি </td>
<td style = "width: 30.0285%; height: 21px;">৪৭৬ - ৪৯৫</td>
<td style = "width: 3.0581%; height: 21px;">৬০৬ - ৬৩০</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">সবুজ </td>
<td style = "width: 30.0285%; height: 21px;">৪৯৬ - ৫৭০</td>
<td style = "width: 3.0581%; height: 21px;">৫২৬ - ৬০৬</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">হলুদ </td>
<td style = "width: 30.0285%; height: 21px;">৫৭১ - ৫৯০</td>
<td style = "width: 3.0581%; height: 21px;">৫০৮ - ৫২৭</td>
</tr>
<tr style = "height: 21px;">
<td style = "width: 29.7887%; height: 21px;">কমলা </td>
<td style = "width: 30.0285%; height: 21px;">৫৯১ - ৬২০</td>
<td style = "width: 3.0581%; height: 21px;">৪৮৪ - ৫০৯</td>
</tr>
<tr style = "height: 10px;">
<td style = "width: 29.7887%; height: 10px;">লাল</td>
<td style = "width: 30.0285%; height: 10px;">৬২১ - ৭৫০</td>
<td style = "width: 3.0581%; height: 10px;">৪০০ - ৪৮৪</td>
</tr>
</tbody>
</table>
<p> </p>

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