Time Frames for Negative Information. Late payments are black marks that normally stay on a credit report for 7 years. That's true of most negative information like foreclosures, Chapter 13 bankruptcies, charge-offs and paid tax liens; a Chapter 7 bankruptcy stays around for 10 years and unpaid tax liens can linger indefinitely.
Wiktionary (0.00 / 0 votes) Rate this definition: Doppler effect (Noun). The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. Origin: From Johann Christian Andreas Doppler, the scientist who first proposed this effect.
One example of Doppler effect is when you hear an ambulance go by, and the pitch of the siren goes up as it get closer, and goes down after it passes you by. Another exampleâ¦ of Doppler effect is red shift, where the color of distant stars seem to shift towards the red end of the spectrum, because the stars are receding from us.