一道物理题,求波长A galaxy is receding from us at a speed v = 0.96c.Light emitted by the galaxy at a wavelength of 450 nm wouldappear to us to have a wavelength λearth of:答案是λearth = 3150 nm怎么算阿?

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一道物理题,求波长A galaxy is receding from us at a speed v = 0.96c.Light emitted by the galaxy at a wavelength of 450 nm wouldappear to us to have a wavelength λearth of:答案是λearth = 3150 nm怎么算阿?

一道物理题,求波长A galaxy is receding from us at a speed v = 0.96c.Light emitted by the galaxy at a wavelength of 450 nm wouldappear to us to have a wavelength λearth of:答案是λearth = 3150 nm怎么算阿?
一道物理题,求波长
A galaxy is receding from us at a speed v = 0.96c.
Light emitted by the galaxy at a wavelength of 450 nm would
appear to us to have a wavelength λearth of:
答案是λearth = 3150 nm
怎么算阿?

一道物理题,求波长A galaxy is receding from us at a speed v = 0.96c.Light emitted by the galaxy at a wavelength of 450 nm wouldappear to us to have a wavelength λearth of:答案是λearth = 3150 nm怎么算阿?
用光波的多普勒效应公式即可.λ0=λearth*根号下（1-b/1+b）=λearth/7=450nm
对了这是sat么?

不会

楼主能说下汉语吗？

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