"Fizika" fanidan 1-kurs talabalari uchun test materiallari (2-semestr)


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№146 Fan bobi-2; Fan bo’limi-2; Qiyinlik darajasi-2



qaysi ifoda orkali Frenelning m-zona radiusini topish mumkin?







P=Rr0m/(R+r0)

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