Question

用波長為510 nm的綠光經(jīng)雙縫干涉裝置在屏上得到干涉條紋,測得相鄰兩明紋的間距為0.55 mm,若將該裝置放入水中并改用紅光做實驗,測得相鄰兩明紋的間距仍為0.55 mm.已知n_水=,求此紅光的頻率.

Answer 1

4.41×10¹⁴ Hz