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জানতে ও জানাতে আসুন
Abdullah Al Faroque Staff answered 2 years ago স্যাটেলাইটটি পৃথিবী থেকে অনেক উঁচুতে তাই সেখানে সিগনাল পাঠানোর জন্য অনেক বড় অ্যান্টেনার দরকার হয়।
satellite microwave
পৃথিবী থেকে যে সিগন্যাল পাঠানো হয় সেটি ওয়ারলেস সিগনাল এবং যদিও সেটি আলোর বেগে যায় তারপরেও এই বিশাল দূরত্ব অতিক্রম করতে একটু সময় নেয়। ফলে ধীর গতিতে ডাটা আদান প্রদান করে। তাই টেলিফোনে কথা বললে অন্য পাশ থেকে কথাটি সাথে সাথে না শুনে একটু পরে শোনা যায়।
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