Science, asked by anonnajannat77, 4 months ago

বায়ু বাপেক্ষে কাচের প্রতিসরনাংক কত?
ক ) ১
খ ) ১.৫
গ )২.৫
ঘ )৩.৫

Answers

Answered by Anonymous

17

(খ) 1.5

Hope it helps you mate ❤️

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