Compute the wavelength of an X-ray with a frequency of 7.0 1018 Hz.?
回答 (2)
2020-09-10 11:06 pm
Speed = Frequency × Wavelength
Wavelength
= Speed / Frequency
= (3.0 × 10⁸ m/s) / (7.0 × 10¹⁸ /s)
= 4.3 × 10⁻¹¹ m
Wavelength
= Speed / Frequency
= (3.0 × 10⁸ m/s) / (7.0 × 10¹⁸ /s)
= 4.3 × 10⁻¹¹ m
2020-09-11 1:46 am
7*10^18=4E-11 m .
收錄日期: 2021-05-01 01:05:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20200910144904AA4eSTw