SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

The  line of singly ionized calcium has a wavelength of  as measured on earth. In the spectrum of one of the observed galaxies, this spectral line is located at . The speed with which the galaxy is moving away from us, will be

a)

b)

c)

d)

None of these


Question ID - 150098 :-

The  line of singly ionized calcium has a wavelength of  as measured on earth. In the spectrum of one of the observed galaxies, this spectral line is located at . The speed with which the galaxy is moving away from us, will be

a)

b)

c)

d)

None of these

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)



Next Question :

Two coherent sources  and  are separated by a distance four times the wavelength  of the source. The sources lies along  axis whereas a detector moves along  axis. Leaving the origin and far off points the number of points where maxima are observed is


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