Light -year is a measured of;

A Energy
B Speed
C Intensity
D Distance

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
#সাধারণ জ্ঞান #United Commercial Bank Ltd (UCB) #United Commercial Bank Ltd - Probationary Officer - 2016

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