Home
Class 12
PHYSICS
In a discharge tube when 200 volt potent...

In a discharge tube when `200` volt potential difference is applied `6.25xx10^(18)` electrons move from cathode to anode and `3.125xx10^(18)` singly charged positive ions move from anode to cathode in one second. Then the power of tube is:

A

100 watt

B

200watt

C

300watt

D

400watt

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQ with one or More Options Correct|17 Videos

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerica Problem for Preparation|23 Videos

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQ s|27 Videos

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

In a discharge tube, 6 xx 10^18 electrons move to the left and 4 xx 10^18 protons move to the right past a cross-section in every second. Find the magnitude and the direction of current.

In an electrolyte 3.2 xx 10^(18) bivalent positive ions drift to the right per second while 3.6 xx 10^(18) monovalent negaitve ions drift to the per second. Then the current is

In a hydrogen tube it is observed that through a given cross-section 3.13xx10^(15) electrons per sec, moving from right to left and 3.12xx10^(15) protons per sec are moving from left to right. The electric current in the discharge tube ad its direction is

The existence of negatively charged particle in an atom was shown by J.J. Thomson as a result of the studies of the passage of electricity through gases at extremely low pressure known as discharge tube experiments. When a high voltage of the order of 10,000 volts or more was impressed across the electrodes, some sort of invisible rays moved from the negative electrode to the positive electrode these rays are called as cathode rays. Cathode rays travel in straight path in absence of electrical and magnetic field . Cathode rays consist of material part and charged particles? Cathode rays produce X-rays and light is emitted when they strike on ZnS screen. Cathode rays penetrate through thin sheets of aluminium and other metals . They affect the photogenic plate and passes heating effect when they strike on metal foil. The raito of charge to mass i.e charge/mass is same for all the cathode rays irrespective of the gas used in the tube. The existence of positively charged particle in an atom was shown be E. Goldstein. He repeated the same discharge tube experiments by using a perforated cathode. It was observed that when a high potential difference was applied between the electrodes, not only cathode rays were produced but also a new type of rays were produced simultaneoulsy from anode moving towards cathode and passes through the holes or canal of the cathode. These termed as canal rays or anode rays. These rays travel in straight lines and consists of positively charged particles. These rays have kinetic energy and produces heating effect also. The e/m ratio of these rays is smaller than that of electrons. Unlike cathode rays, their e/m value is dependent upon the nature of the gas taken in the tube. These rays produced flashes of light on ZnS screen and can pass throughs thin metal foils. They can produce physical and chemical changes and are capable to produce ionisation in gases. For cathode rays the value of e/m:

The existence of negatively charged particle in an atom was shown by J.J. Thomson as a result of the studies of the passage of electricity through gases at extremely low pressure known as discharge tube experiments. When a high voltage of the order of 10,000 volts or more was impressed across the electrodes, some sort of invisible rays moved from the negative electrode to the positive electrode these rays are called as cathode rays. Cathode rays travel in straight path in absence of electrical and magnetic field . Cathode rays consist of material part and charged particles? Cathode rays produce X-rays and light is emitted when they strike on ZnS screen. Cathode rays penetrate through thin sheets of aluminium and other metals . They affect the photogenic plate and passes heating effect when they strike on metal foil. The raito of charge to mass i.e charge/mass is same for all the cathode rays irrespective of the gas used in the tube. The existence of positively charged particle in an atom was shown be E. Goldstein. He repeated the same discharge tube experiments by using a perforated cathode. It was observed that when a high potential difference was applied between the electrodes, not only cathode rays were produced but also a new type of rays were produced simultaneoulsy from anode moving towards cathode and passes through the holes or canal of the cathode. These termed as canal rays or anode rays. These rays travel in straight lines and consists of positively charged particles. These rays have kinetic energy and produces heating effect also. The e/m ratio of these rays is smaller than that of electrons. Unlike cathode rays, their e/m value is dependent upon the nature of the gas taken in the tube. These rays produced flashes of light on ZnS screen and can pass throughs thin metal foils. They can produce physical and chemical changes and are capable to produce ionisation in gases. Which is not true with respect to cathode rays?

The existence of negatively charged particle in an atom was shown by J.J. Thomson as a result of the studies of the passage of electricity through gases at extremely low pressure known as discharge tube experiments. When a high voltage of the order of 10,000 volts or more was impressed across the electrodes, some sort of invisible rays moved from the negative electrode to the positive electrode these rays are called as cathode rays. Cathode rays travel in straight path in absence of electrical and magnetic field . Cathode rays consist of material part and charged particles? Cathode rays produce X-rays and light is emitted when they strike on ZnS screen. Cathode rays penetrate through thin sheets of aluminium and other metals . They affect the photogenic plate and passes heating effect when they strike on metal foil. The raito of charge to mass i.e charge/mass is same for all the cathode rays irrespective of the gas used in the tube. The existence of positively charged particle in an atom was shown be E. Goldstein. He repeated the same discharge tube experiments by using a perforated cathode. It was observed that when a high potential difference was applied between the electrodes, not only cathode rays were produced but also a new type of rays were produced simultaneoulsy from anode moving towards cathode and passes through the holes or canal of the cathode. These termed as canal rays or anode rays. These rays travel in straight lines and consists of positively charged particles. These rays have kinetic energy and produces heating effect also. The e/m ratio of these rays is smaller than that of electrons. Unlike cathode rays, their e/m value is dependent upon the nature of the gas taken in the tube. These rays produced flashes of light on ZnS screen and can pass throughs thin metal foils. They can produce physical and chemical changes and are capable to produce ionisation in gases. Select the incorrect statement.

A potential difference of 3V is applied across a conductor of resistance 1.5 Omega . Calculate the number of electrons flowing through it in one second. Given charge on electron, e=1.6 xx10^(-19)C .

An ionization chamber with parallel conducting plates as anode and cathode has 5 xx 10^(7) electrons and the same number of singly-charged positive ions per cm^(2) . The electrons are moving at 0.4 m//s . The current density from anode to cathodeis 4 mu A//m^(2) . The velocity of positive ions moving towards cathode is

In a photoelectric experiment a parallel beam of monochromatic light with power of 200 is incident on a perfectly absorbing cathode of work function 6.25. The frequency of light is just above the threshold frequency so that the photoelectrons are emitted with negligible kinetic energy. Assume that the photoelectron emission efficiency is 100%. A potential difference of 500 is applied between the cathode and the anode. All the emitted electrons are incident normally on the anode and are absorbed. The anode experiences a force 10 due to the impact of the electrons. The value of is __________. Mass of the electron 910 and 1.01.610.

PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Numerical MCQs Single Options Correct
  1. An X-raytube is working at potential of 20 KV. The potential differe...

    Text Solution

    |

  2. The K(alpha) X-ray emission line of lungsten accurs at lambda = 0.021 ...

    Text Solution

    |

  3. In a discharge tube when 200 volt potential difference is applied 6.25...

    Text Solution

    |

  4. Figure shows K(alpha)& K(beta) X-rays along with continuous X-ray. Fin...

    Text Solution

    |

  5. An element of atomic number 9 emits K(alpha) X-ray of wavelength lamda...

    Text Solution

    |

  6. The minimum wavelength of X-rays produced in an X-ray tube is lambda w...

    Text Solution

    |

  7. The wavelength of k(alpha) X- rays produced by an X - rays tube is 0....

    Text Solution

    |

  8. The voltage applied to an X-ray tube is 18 kV. The maximum mass of pho...

    Text Solution

    |

  9. The battery connected across a coolidge tube operates at a power level...

    Text Solution

    |

  10. The wavelength of the characteristic X - ray k(alpha ) line emitted by...

    Text Solution

    |

  11. An X-raytube produces a continuous spectrum of radiation with its shor...

    Text Solution

    |

  12. The element which has a K(alpha) X-rays line of wavelength 1.8 Å is ...

    Text Solution

    |

  13. In a coolidge tube, the tungsten (Z=74) target is bombarded by electro...

    Text Solution

    |

  14. The potential different across the Coolidge tube is 20 kV and 10 m A c...

    Text Solution

    |

  15. When the accelerating voltage applied on the electrons, in an X-rays t...

    Text Solution

    |

  16. The wavelength of K(alpha) X-rays of two metals A and B are 4 // 1875 ...

    Text Solution

    |

  17. A cobalt (atomic no. =27 ) target is bombereded with electrons and th...

    Text Solution

    |

  18. An X-rays tube is operated at 66kV. Then , in the continous spectrum o...

    Text Solution

    |

  19. An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the ele...

    Text Solution

    |

  20. The potential difference applying to an X- ray tube is 5kV and the cu...

    Text Solution

    |