Home
Class 12
PHYSICS
A wave is represented by the equetion y...

A wave is represented by the equetion
`y=7 sin(7pi t-0.04pix+(pi)/(3))`
x is in metres and t is in seconds. The speed of the wave is

A

175 m/sec

B

49 `pi` m/sec

C

49/`pi` m/sec

D

0.28 `pi` m/sec

Text Solution

Verified by Experts

The correct Answer is:
A
`v="Co-efficient of t"/"Co-efficient of x" = (7pi)/0.04`=175 m/s
Promotional Banner

Topper's Solved these Questions

  • DRILL TEST -1

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|24 Videos

  • DRILL TEST 2

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|42 Videos

Similar Questions

Explore conceptually related problems

A transverse wave propagating along x-axis is represented by: y(x,t)=8.0sin(0.5pix-4pit-(pi)/(4)) Where x is in metres and t is in seconds. The speed of the wave is:

A wave is represented by the equation y=7 sin {pi (2t -2x)} here x is in metres and t in seconds. The velocity of the wave is

A wave is represented by the equation y = A sin(10pix + 15pit + (pi)/(3)) where x is in meter and t is in seconds. The expression represents :

A wave is represented by the equetion y=y_(0)sin [10pix-15pit+(pi//3)] where x is in metres and t in seconds. The equation represent a travelling wave:

A wave is represented by the equation y= A sin ( 10 pi x + 15 pi l + (pi)/(6)) wher x is in metre and t in second. The expression represents

A wave is represented by the equation y=[Asin{10pix+15pit+(pi//4)}] where x is in meters and t is in seconds. The expression represents

A wave represented by the given equation Y = A sin (10 pi x + 15 pi t + (pi)/(3)) , where x is in meter and t is in second. The expression represents (1) A wave travelling in the negative X direction with a velocity of 1.5 m/sec (2) A wave travelling in the negative X direction with a wavelength of 0.2 m (3) A wave travelling in the positive X direction with a velocity of 1.5 m/sec. (4) A wave travelling in the positive X direction with a wavelength of 0.2 m

A wave is represented by the equation, y = 0.1 sin (60 t + 2x) , where x and y are in metres and t is in seconds. This represents a wave

NEET MAJOR TEST (COACHING)-DRILL TEST 1-PHYSICS
  1. A ball is projected upwards from a height h above the surface of the e...

    Text Solution

    |

  2. A tank 5 m high is half filled with water and then is filled to top wi...

    Text Solution

    |

  3. When p calories of heat is given to a body, it absorbs q calories, t...

    Text Solution

    |

  4. A wave is represented by the equetion y=7 sin(7pi t-0.04pix+(pi)/(3))...

    Text Solution

    |

  5. At t = 0 a 100gm ball is thrown upwards with initial speed v(0) = 2 m/...

    Text Solution

    |

  6. A block P of mass m is placed on a frictionless horizontal ...

    Text Solution

    |

  7. There will be no relative motion between P and Q if pseudo force on ...

    Text Solution

    |

  8. The temperature of sun is 5500 K and it emits maximum intensity radiat...

    Text Solution

    |

  9. Two waves of frequencies 20 Hz and 30 Hz. Travels out from a common po...

    Text Solution

    |

  10. The wheel of a car is rotating at the rate of 1200 revolutions per min...

    Text Solution

    |

  11. A car travelling at a speed of 30 km/hour is brought to a halt in 8 m ...

    Text Solution

    |

  12. One mole of helium is adiabatically expanded from its initial state (P...

    Text Solution

    |

  13. The amplitude of a particle executing SHM is 4 cm. At the mean positio...

    Text Solution

    |

  14. The superposing waves are represented by the following equations : ...

    Text Solution

    |

  15. The angular speed of a body changes from omega1 to omega2 without app...

    Text Solution

    |

  16. A vessel at rest exlodes breaking it into three piecess. Two pieces ha...

    Text Solution

    |

  17. A gas is compressed at a constant pressure of 50N//m^(2) from a volume...

    Text Solution

    |

  18. A 0.10 kg block oscillates back and forth along a horizontal surface. ...

    Text Solution

    |

  19. Two tuning forks A and B give 4 beats//s when sounded together . The ...

    Text Solution

    |

  20. A solid cylinder roll up without slipping an inclined plane of ...

    Text Solution

    |