Home
Class 12
PHYSICS
There is a uniform electric field of str...

There is a uniform electric field of strength `10^(3)V//m` along `y`-axis. A body of mass `1g` and charge `10^(-6)C` is projected into the field from origin along the positive `x`-axis with a velocity `10 m//s`. Its speed in `m//s` after `10 s` is (Neglect gravitation)

A

10

B

`5sqrt(2)`

C

`10sqrt(2)`

D

20

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COULOMB LAW AND ELECTRIC FIELD

    CENGAGE PHYSICS|Exercise Multiple Correct Answer Type|1 Videos

  • COMMUNICATION SYSTEM

    CENGAGE PHYSICS|Exercise QUESTION BANK|19 Videos

  • Current Electricity

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos

Similar Questions

Explore conceptually related problems

A body is projected horizontally from the top of a tower of height 10m with a velocity 10m/s .Its velocity after 1 second is

A body is projected horizontally from a height of 78.4m with a velocity 10m/s .Its velocity after 3 seconds is ?[g=10m/ s^(2) ]

Magnetic induction field is existing along +Z axis in a region 0lexlea(a is positive ) . A point charge q is projected with a velocity 'v' at origin along positive x- axis , choose the correct alternative regarding its deviation.

In a certain region of space, there exists a uniform and constant electric field of magnitude E along the positive y-axis of a coordinate system. A charged particle of mass m and charge -q (qgt0) is projected form the origin with speed 2v at an angle of 60^@ with the positive x-axis in x-y plane. When the x-coordinate of particle becomes sqrt3mv^2//qE a uniform and constant magnetic. field of strength B is also switched on along positive y-axis. x-coordinate of the particle as a function of time after the magnetic field is switched on is

In a certain region of space, there exists a uniform and constant electric field of magnitude E along the positive y-axis of a coordinate system. A charged particle of mass m and charge -q (qgt0) is projected form the origin with speed 2v at an angle of 60^@ with the positive x-axis in x-y plane. When the x-coordinate of particle becomes sqrt3mv^2//qE a uniform and constant magnetic. field of strength B is also switched on along positive y-axis. z-coordinate of the particle as a function of time after the magnetic field is switched on is

In a certain region of space, there exists a uniform and constant electric field of magnitude E along the positive y-axis of a coordinate system. A charged particle of mass m and charge -q (qgt0) is projected form the origin with speed 2v at an angle of 60^@ with the positive x-axis in x-y plane. When the x-coordinate of particle becomes sqrt3mv^2//qE a uniform and constant magnetic. field of strength B is also switched on along positive y-axis. Velocity of the particle just before the magnetic field is switched on is

A uniform magnetic field of magnitude 0.20 exists in space from east to west.A particle having mass 10^(-5)kg and charge 10^(-5)C is projected from south to north so that it moves with a uniform velocity.Find velocity of projection of the particle? (g=10 m//s^(2))

In a certain region of space, there exists a uniform and constant electric field of strength E along x-axis and uniform constant magnetic field of induction B along z-axis. A charge particle having charge q and mass m is projected with speed v parallel to x-axis from a point (a, b, 0). When the particle reaches a point 2a, b//2 , 0 its speed becomes 2v. Find the value of electric field strength of m, v and co-ordinates.

A proton enters a magnetic field of strength 10^(-3)T along north with a speed of 10^(6)ms^(-1) along east.Find the direction and magnitude of the acceleration of the particle in 10^(11)m/sec^(2) ?

CENGAGE PHYSICS-COULOMB LAW AND ELECTRIC FIELD-Single Answer Correct Type
  1. A charge Q is fixed at a distance d in front of an infinite metal plat...

    Text Solution

    |

  2. The lines of force of the electric field due to two charges q and Q ar...

    Text Solution

    |

  3. Two ideantical point charges are placed at a separation of d. P is a p...

    Text Solution

    |

  4. The bob of a pendulum of mass 8 mu g carries an electric charge of 39....

    Text Solution

    |

  5. Two charges each equal to eta q(eta^(-1) lt sqrt(3)) are placed at the...

    Text Solution

    |

  6. Two point charges (+Q) and (-2Q) are fixed on the X-axis at positions ...

    Text Solution

    |

  7. A hemispherical shell is uniformly charge positively .the electric fie...

    Text Solution

    |

  8. An electron falls through a small distance in a uniform electric field...

    Text Solution

    |

  9. There is a uniform electric field of strength 10^(3)V//m along y-axis....

    Text Solution

    |

  10. In the figure shown there is a large sheet of charge of uniform surfac...

    Text Solution

    |

  11. Three charges of (+2q), (-q) and (-q) are placed at the corners A,B an...

    Text Solution

    |

  12. An electric dipole is placed along the x-axis at the origin O.A point ...

    Text Solution

    |

  13. An electric dipole is placed at the origin O and is directed along the...

    Text Solution

    |

  14. Three identical dipoles are arranged as shown below. What will be the ...

    Text Solution

    |

  15. Two electric dipoles of moment P and 64P are placed in opposite direct...

    Text Solution

    |

  16. Two point charges (+Q) and (-2Q) are fixed on the X-axis at positions ...

    Text Solution

    |

  17. An electric dipole is kept on the axis of a uniformly charged ring at ...

    Text Solution

    |

  18. Two short dipoles phat(k) and P/2 hat(k) are located at (0,0,0) & (1m,...

    Text Solution

    |

  19. Total electric force on an electric dipole placed in an electric field...

    Text Solution

    |

  20. The locus of the points (in the xy-plane) where the electric field due...

    Text Solution

    |