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Question
কত তাপমাত্রায় বায়ুতে শব্দের বেগ 273 K তাপমাত্রার বেগের দ্বিগুণ হবে?
849
°
C
829
°
C
819
°
C
879
°
C
ANSWER : 3
Descrption
<p>T<sub>1</sub>=273k</p><p>V<sub>1</sub>=2V<sub>1</sub></p><p>V<sub>2</sub>=V<sub>1</sub></p><p>T<sub>2</sub>=?</p><p>T<sub>1/</sub>T<sub>2=</sub>V<sub>1</sub><sup>2</sup>/V<sub>2</sub><sup>2</sup></p><p>or, T<sub>2</sub>= 4*273</p><p>Or, T<sub>2</sub>=1092k</p><p>Or, T<sub>2</sub>=(1092-273)k</p><p>T<sub>2</sub>=819<sup>°</sup>C</p>
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