Question:

11. A stationary siren emits sound of frequency 1000 Hz and wavelength 0.343 m. An observer who is moving toward the siren will

11. 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 2 for this sound
such that
Of> 1000 Hz and 2 > 0.343 m.
Of> 1000 Hz and 2 = 0.343 m.
Of> 1000 Hz and 1 <0.343 m.
Of= 1000 Hz and 1 <0.343 m.

11. 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 2 for this sound such that Of> 1000 Hz and 2 > 0.343 m. Of> 1000 Hz and 2 = 0.343 m. Of> 1000 Hz and 1 <0.343 m. Of= 1000 Hz and 1 <0.343 m.

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