Home
Class 12
PHYSICS
Assertion: If bob of a simple pendulum i...

Assertion: If bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.
Reason: If bob is charged and kept in horizontal electric field, then the time period will be decreased.

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is not the correct explanation of A

C

A is correct but R is incorrect

D

Both A and R are incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    MOTION|Exercise Exercise -3 Section (B) Previous Year Problems | JEE Main|30 Videos

  • ELECTROSTATICS

    MOTION|Exercise Exercise - 2 (Objective Problems | NEET)|64 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

  • ELECTROSTATICS - I

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|13 Videos

Similar Questions

Explore conceptually related problems

If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will

An electric dipole is kept in the electric field produced by a point charge

Assertion : if a metal bob of a simple pendulm is replaced by wooden bob , its time period will not change . Reasion : The amplitude of an oscillation pendulum decreases gradually with time .

The metal bob of a simple pendulum is positively charged and has certain time period in air. If bob oscillates above a negatively charged metal plate. Its time period now

The time period of a simple pendulum is 5 seconds. If mass of the bob is increased to 4 times the original, the new time period of it is ____

If a bar magnet of magnetic moment M is kept in a uniform magnetic field B, its time period of oscillation is T. The another magnet of same length and breath is kept in a same magnetic field. If magnetic moment of new magnet is M//4 , then its oscillation time period is

The mass of a bob, suspended in a simple pendulum, is halved from the initial mass, its time period will :

Assertion: The bob of a simple pendulum is a full of water if a fine hole is made at the bottom of the of the ball , then the time period will no more remain constant Reason : The time period of simple pendulum does not depend open mass

Assertion : time period of a simple pendulum does not depend on the mass of the bob Reason : the restoring force is independent of the mass of the bob

MOTION-ELECTROSTATICS-Exercise -3 Section (A)
  1. Four electric charges +q, +q, -q and -q are placed at the corners of a...

    Text Solution

    |

  2. An electric dipole moment p is placed in an electric field of intensit...

    Text Solution

    |

  3. Assertion: If bob of a simple pendulum is kept in a horizontal electri...

    Text Solution

    |

  4. Two metallic spheres of radii 1 cm and 2 cm are given charges 10^(-2) ...

    Text Solution

    |

  5. Four point charges -Q, -q, 2q and 2Q are placed, one at each corner of...

    Text Solution

    |

  6. Identify the incorrect statements for electric charge q :-

    Text Solution

    |

  7. An electron is projected wit velocity vec(v) = v(0) hat(x) in an elect...

    Text Solution

    |

  8. A dipole of dipole moment 'p' is placed in a non-uniform electric fiel...

    Text Solution

    |

  9. The electric field at a point at a distance r from an electric dipole ...

    Text Solution

    |

  10. A conducting sphere of radius R is given a charge Q. The electric pote...

    Text Solution

    |

  11. In a region, the potential is respresented by V(x, y, z) = 6x - 8xy - ...

    Text Solution

    |

  12. Electric potential (phi) of a quadrupole varies with distance 'r' on i...

    Text Solution

    |

  13. The electric field in a certain region is acting radially outwards and...

    Text Solution

    |

  14. If potential (in volts) in a region is expressed as V(x, y, z) = 6xy -...

    Text Solution

    |

  15. A non conducting spherical shell of diameter 10 cm has a charge of 1.6...

    Text Solution

    |

  16. A spherical conducting shell of radius r(0) carry a charge q(0). Then ...

    Text Solution

    |

  17. Charge of 5 mu C each are placed at the corners of an equilateral tria...

    Text Solution

    |

  18. Two identical charged spheres suspended from a common point by two mas...

    Text Solution

    |

  19. The diagram below show regions of equipotentials. A positive char...

    Text Solution

    |

  20. An electron falls from rest through a vertical distance h in a uniform...

    Text Solution

    |