A stationary siren emits sound of frequency 1000 Hz and wavelength 0.343 m.An observer who is moving toward the siren will measure a frequency f and wavelength λ for this sound such that A) f 1000 Hz and λ 0.343 m. B) f 1000 Hz and λ = 0.343 m. C) f 1000 Hz and λ

Question

A stationary siren emits sound of frequency 1000 Hz and wavelength 0.343 m.An observer who is moving toward the siren will measure a frequency f and wavelength λ for this sound such that A) f > 1000 Hz and λ > 0.343 m. B) f > 1000 Hz and λ = 0.343 m. C) f > 1000 Hz and λ < 0.343 m. D) f = 1000 Hz and λ < 0.343 m.

Quizplus · Accepted Answer

The Answer is B

A Stationary Siren Emits Sound of Frequency 1000 Hz and Wavelength