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Doppler Effect in Light Waves

The speed of ...

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The speed of sound in oxygen (O2)at a certain temperature s460 ms1. The speed of sound in helium (He) at the samsetemperature will be (assume both gases to be ideal)AIEEE 2008(a) 500 ms-1(c) 330 ms"1A wavelength 0.60 cm is produced in air and it travels at a(b) 650 ms(d) 1420 msd f 300 ms1. It will be anUPSEAT 2000

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Q.
The speed of sound in oxygen

(O_{2})

at a certain temperature is

460 m s^{- 1}

The speed of sound in helium (

H e

) at the same temperature will be :
(assume both gases to be ideal)

Q. A wavelength

0.60 c m

is produced in air and it travels at a speed of

300 m s

. lt will be an

Q. The speed of sound in oxygen

(O_{2})

at a certain temperature is

460 m / s

. The speed in helium

(H e)

at the same temperature will be [assume both gases to be ideal]

Q. A wavelength 0.60 cm is produced in air and it travels at a speed of 300

m s^{- 1}

. It will be an –

Q. A source of sound produces waves of wavelength

60 c m

when it is stationary. If the speed of sound in air is

320 m s^{- 1}

and source moves with speed

20 m s^{- 1}

, the wavelength of sound in the forward direction will be nearest to :

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