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एक रेडियो केंद्र से प्रसारित तरंगों की 300 मीटर है। इन तरंगो की तरंगदैर्घ्य आवृति ज्ञात कीजिए ।

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एक रेडियो केंद्र से प्रसारित तरंगों की 300 मीटर है। इन तरंगो की तरंगदैर्घ्य आवृति ज्ञात कीजिए ।
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रेडियो की तरंगदैर्घ्य `lambda=300` मीटर |
रेडियों (विद्युतचुम्ब्कीय) तरंगो की चाल `v=c=3.0xx10^(8)` मी//से
सूत्र `v=nlambda` से `n=(v)/(lambda)=(3.0xx10^(8)"मीटर"//"सेकण्ड")/(300"मीटर")`
`=1.0xx10^(6)` हर्ट्स
`=1.0`मेगाहर्ट्स(MHz)|
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