 samudram yenduku neelamgaa umtumdi ?
 samudram neelan ranguloo umtumdi ,  endhukante kanthi spectrum yokka yerupu bhagamlo neee rangulanu grahistundi .  filter lagaa ,  idi kanthi varnapatamloni neelirangu bhagamlo manaku kanipinchela rangulanu vadilivestundi .  neetiloki teliade avakshepaalu mariyu kanaala nundi kanthi bownes aavdam will samudram aakupacha ,  yerupu ledha itara rangulanu kudaa teeskovacchu .