Question
Download Solution PDFএকটি অ্যান্টেনার উচ্চতা বৃদ্ধি পেলে বিকিরণের কোণ ______
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFসঠিক বিকল্প হল 4
ধারণা:
বিকিরণের একটি কোণ হল একটি অনুভূমিক অ্যান্টেনার জন্য সর্বনিম্ন লোব 'θ'-এর উচ্চতা কোণটি \(\theta = {\sin ^{ - 1}}\ দ্বারা তরঙ্গদৈর্ঘ্য 'h' এর পরিপ্রেক্ষিতে অ্যান্টেনার উচ্চতার সাথে সম্পর্কিত। বাম( {\frac{{0.25}}{h}} \right)\)
তাই উচ্চতা বৃদ্ধির সাথে সাথে সাইন ইনভার্স ফাংশনের মান হ্রাস পায় তাই θ এর মান হ্রাস পায়।
Last updated on Jun 11, 2025
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