Question

It is believed that the universe is expanding and hence the distant stars are receding from us. Light from such a star will show

• A. shift in frequency towards longer wavelengths
• B. shift in frequency towards shorter wavelengths
• C. no shift in frequency but a decrease in intensity
• D. a shift in frequency sometimes towards longer and sometimes towards shorter wavelengths.

Answer 1

Answer: (A)

Correct answer is (a) shift in frequency towards longer wavelengths