Question

Q [859/860]

Berapa cepat rambat di berlian? (n = 2,4)

*wajib menggunakan cara!*
tidak pakai cara otw report:)
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Answer 1

Jawaban :

Penjelasan:

n_berlian = 2,4 = 12/5

kecapatan cahaya = 3 × 10⁸ m/s

..

n = c/v

12/5 = 3 × 10⁸/v

15 × 10⁸ = 12.v

v = 5/4 × 10⁸ m/s atau 125 × 10⁶ m/s

Begula ^___^