Light -year is a measured of;

Light -year is a measured of; Correct Answer Distance

Light Year আলোকবর্ষ দূরত্বের পরিমাপক। আলোকরশ্মি প্রতি সেকেন্ডে ১,৮৬,৩২৬ মাইল বা ২,৯৯,৮০০ কিমি বেগে বছরে যতটা দূরত্ব যায় অর্থাৎ ৬ × ১০ ১২ মাইল কিংবা ৯.৭ × ১০১২ কিমি তাকে আলোকবর্ষ বলে।
Bissoy MCQ

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