Home
Class 12
PHYSICS
In Thomson mass spectrograph vecE bot ve...

In Thomson mass spectrograph `vecE bot vecB` then the velocity of underflected electron beam will be :

A

`(|vecE|)/(|vecB|)`

B

`vecExxvecB`

C

`(|vecB|)/(|vecE|)`

D

`E^2/B^2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise PHYSICS|157 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise QUESTION|95 Videos

  • MOTION IN TWO AND THREE DIMENSION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|47 Videos

  • NEET 2020

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|45 Videos

Similar Questions

Explore conceptually related problems

In order to coincide the parabolas formed by singly ionized ions in one spectrograph and doubly ionized ions in the other Thomson's mass spectrograph , the electric fields and magnetic fields are kept in the ratios 1 : 2 and 3 : 2 respectively . Then the ratio of masses of the ions is

In an electron gun, the electrons are accelerated by the potential V . If the e is the charge and m is the mass of the electron, then the maximum velocity of these electrons will be

A beam of electrons is under the effect of potential difference of 1.36xx10^(4) volt applied across two parallel plates 4 cm apart and a magnetic field of 0.002 Wbm^(-2) at right angles to each other. If these two field produces no deflection in the beam. find the velocity of electrons. What will be radius of the orbit in which the beam will move, if the electric field is made zero ? Given, Mass of electron =9.1xx10^(-31)kg .

The mass of an electron is m, charge is e and it is accelerated form rest through a potential difference of V volts. The velocity acquired by electron will be :

The mass of an electron is m, charge is e and it is accelerated from rest through a potential difference of V volts. The velocity acquired by electron will be

If an electron is going in the direction of magnetic field vecB with the velocity of vecv then the force on electron is

Calculate the ratio between the wavelength of an electron and a proton, if the proton is moving at half the velocity of the electron (mass of the proton =1.67xx10^(-27)kg , mass of the electron =9.11xx10^(-2)m .

A beam of electrons is moving with constant velocity in a region having simultaneous perpendicular electric and magnetic fields of strength 20Vm^(-1) and 0.5 T, respectively at right angles to the direction of motion of the electrons. Then, the velocity of electrons must be

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-MCQ
  1. In Thomson mass spectrograph vecE bot vecB then the velocity of underf...

    Text Solution

    |

  2. The damping force on an oscillator is directly proportional to the vel...

    Text Solution

    |

  3. The motion of a particle along a straight line is described by equatio...

    Text Solution

    |

  4. The horizontal range and the maximum height of a projectile are equal....

    Text Solution

    |

  5. A particle has initial velocity (2 vec(i)+3 vec(j)) and acceleration (...

    Text Solution

    |

  6. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  7. A solid cylinder of mass 3 kg is rolling on a horizontal surface with ...

    Text Solution

    |

  8. The potential energy of a particle in a force field is: U = (A)/(r^(...

    Text Solution

    |

  9. Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...

    Text Solution

    |

  10. Two persons of masses 55 kg and 65 kg respectively are at the opposite...

    Text Solution

    |

  11. ABC is an equilateral triangle with O as its centre vec(F(1)),vec(F(2)...

    Text Solution

    |

  12. When a mass is rotating in a plane about a fixed point, its angular mo...

    Text Solution

    |

  13. A spherical planet far out in space has a mass M(0) and diameter D(0)....

    Text Solution

    |

  14. A geostationary satellite is orbiting the earth at a height of 5R abov...

    Text Solution

    |

  15. The height a which the weight of a body becomes 1//16th its weight on ...

    Text Solution

    |

  16. Two sources of sound placed close to each other are wmitting progressi...

    Text Solution

    |

  17. When a string is divided into three segments of length l1,l2 and l3 th...

    Text Solution

    |

  18. One mole of an ideal gas goes from an initial state A to final state B...

    Text Solution

    |

  19. A thermodynamics system is taken trough the cycle ABCD as shown in fig...

    Text Solution

    |

  20. Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm...

    Text Solution

    |

  21. If the radius of a star is R and it acts as a black body, what would b...

    Text Solution

    |