Blue shift is observed when

Question

Element object is stationary compared to an observer a luminous object travels alongside the another observer a distant luminous object travels rapidly away from The observer or a distant women's object travels rapidly toward an obser

Answer 1

Blue shift is observed when a distant luminous object (such as a star or galaxy) is traveling rapidly toward an observer. This phenomenon occurs due to the Doppler effect, where the wavelengths of light emitted by the object are compressed as it moves closer to the observer, causing the light to shift toward the blue end of the spectrum. In contrast, if the object were moving away from the observer, it would exhibit red shift, where the wavelengths are stretched and shift toward the red end of the spectrum.