Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  CBSE XII  >>  Physics  >>  Wave optics
Answer
Comment
Share
Q)

What does red shift in the spectra of galaxies indicates?

The universe is expandingThe galaxies are moving towards each other The galaxies are moving away from each other None of the above

Home Ask Tuition Questions
Your payment for is successful.
Continue
...