拜託大大請幫我翻譯(只要翻譯就好，不用計算)

Question

這是出自物理的某本書，請大大幫我翻譯成中文，不用計算，謝了：

1.Find the de Broglie wavelength of a 1.0-mg grain of sand blown by the wind at a speed of 20 m/s.

2.Find the de Broglie wavelength of a 1.00-MeV proton. Is a relativistic calculation needed?

3.Green light has a wavelength of about 550 nm. Through what potential difference must an electron be accelerated to have this wavelength?

4.A proton in a one-dimensional box has an energy of 400 keV in its first excited state. How wide is the box?

Answer 1

最佳解答

1.Find the de Broglie wavelength of a 1.0-mg grain of sand blown by the wind at a speed of 20 m/s.

找出因風吹而有20m/s速度的1.0-mg沙粒之德布洛依波長。

2.Find the de Broglie wavelength of a 1.00-MeV proton. Is a relativistic calculation needed?

計算1.00-MeV質子之德布洛依波長。

本題需要相對論計算嗎？

3.Green light has a wavelength of about 550 nm. Through what potential difference must an electron be accelerated to have this wavelength?

綠光波長約為550 nm。

要有多少位能差才能使一個電子加速至具備該波長？

4.A proton in a one-dimensional box has an energy of 400 keV in its first excited state. How wide is the box?

在一維空間盒子裡，有個在第一激發態的質子具400 keV能量。

盒子多寬？