Home
Class 12
PHYSICS
If the density of air at NTP is 1.293kg/...

If the density of air at NTP is `1.293kg//m^(3)` and `gamma=1.41`, then the velocity of sound in air at NTP is :

A

102.3 m/s

B

252.3 m/s

C

332.3 m/s

D

432.3 m/s

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Superposition of waves interfarence, beats)|15 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Oscillations) (Simple pendulum and types of SHM)|17 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

The velocity of the sound in vacuum is 344 ms^(-1)

Air is streaming past a horizontal air plane wing such that its speed in 120m//s over the upward surface and 90m//s at the lower surface . If the density of air is 1.3kg//m^(3) and the wing is 10 m long and has an average width of 2m , then the difference of the pressure on the two sides of the wing of ...... Pascal .

(a) Speed of sound in air 332 m/s at NTP. What will the speed of sound in hydrogen at NTP if the density of hydrogen at NTP is (1/16) that of air. (b) Calculate the ratio of the speed of sound in neon to that in water vapour any temperature. [Molecular weight if neon = 2,02 xx 10^(-2) kg//mol and for water vapours = 1.8 xx 10^(-2) kg//mol ]

If the frequency of a sound wave of wavelength 34 m is 10 Hz in air, then the speed of the sound wave in air is ......... ms^(-1)

The blades of a windmill sweep out a circle of area A . (a) If the wind flows at a velocity v perpendicular to the circle , what is the mass of the air passing through it in time t ? (b) What is the kinetic energy of the air ? (c ) Assume that the windmill converts 25 % of the wind's energy into electrical energy , and that A = 30 m^(2) , v = 36 km/h and the density of air is 1.2 m^(2) v = 36 km/h and the density of air is 1.2 kg m^(-3) .What is the electrical power produced ?

4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 "JK"^(-1) "mol"^(-1) . If the speed of sound in this gas at NTP is 952 "ms"^(-1) , then the heat capacity at constant pressure is _____ (R=8.3 "JK"^(1) "mol"^(-1))

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 1.8xx10^(-8)kgm^(-1)s^(-1) what will be the terminal velocity of the drop. Density of air can be neglected.

ALLEN -RACE-Basic Maths (Wave Motion & Dopplers Effect) (Fundamental)
  1. Two particle of medium disturbed by the wave propagation are at x(1)=0...

    Text Solution

    |

  2. Two small boats are 10m apart on a lake. Each pops up and down with a ...

    Text Solution

    |

  3. A uniform rope of mass M=0.1kg and length L=10m hangs from the celling...

    Text Solution

    |

  4. A uniform rope of length 12 m and mass 6 kg hangs vertically from a ri...

    Text Solution

    |

  5. The displacement wave in a string is y=(3 cm)sin6.28(0.5x-50t) where x...

    Text Solution

    |

  6. A sinusoidal wave propagates along a string. In figure (a) and (b) 'y'...

    Text Solution

    |

  7. Graph shows three waves that are separately sent along a string that i...

    Text Solution

    |

  8. The following figure depicts a wave travelling in a medium. Which pair...

    Text Solution

    |

  9. A transverse periodic wave ona strin with a linear mass density of 0.2...

    Text Solution

    |

  10. The figure shows four progressive wave A,B,C & D. It can be concluded ...

    Text Solution

    |

  11. Under similar conditions of temperature and pressure, In which of the ...

    Text Solution

    |

  12. The velocity of sound in a gas at temperature 27^@C is V then in the s...

    Text Solution

    |

  13. The frequency of a tunning fork is 384 per second and velocity of soun...

    Text Solution

    |

  14. Ultrasonic, infrasonic and audio waves travel though a medium with spe...

    Text Solution

    |

  15. Consider a wave represented by y=cos(500t-70x) where y is in millimetr...

    Text Solution

    |

  16. The frequency of a man's voice is 300 Hz and its wavelength is 1 meter...

    Text Solution

    |

  17. A light pointer fixed to one prong of a tuning fork touches gnetly a s...

    Text Solution

    |

  18. Which of the following expressions is that of a simple harmonic progre...

    Text Solution

    |

  19. If the density of air at NTP is 1.293kg//m^(3) and gamma=1.41, then th...

    Text Solution

    |

  20. Light can travel in vacuum whereas sound can not do so. Why?

    Text Solution

    |