Home
Class 12
PHYSICS
There are four light-weight-rod sample A...

There are four light-weight-rod sample A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) B is feebly attracted
(iii) C is strongly attracted
(iv) D remains unaffected
Which one of the following is true?

A

A is a non-magnetic material

B

B is of a paramagnetic material

C

C is of a diamagnetic material

D

D is of a ferromagneitc material

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D)|26 Videos

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION B)|21 Videos

  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE|Exercise SECTION - J|9 Videos

Similar Questions

Explore conceptually related problems

Five Styrofoam balls are suspended from insulating threads. Several experiments are performed on the balls and the following observations are made: (i) Ball A repels C and attracts B. (ii) Ball D attracts B and has no effect on E. (iii) A negatively charged rod attracts both A and E. An electrically neutral Styrofoam ball gets attracted if placed nearby a charged body due to induced charge. What are the charges, if any, on each ball A,B,C,D, and E?

Read the information given below and answer the questions that follow : (i) In a family of six persons A, B, C, D, E and F, there are two married couples. (ii) D is grandmother of A and mother of B. (iii) C is wife of B and mother of F. (iv) F is the grand daughter of E. Which of the following is true ?

(i)A+B means 'A is the father of B' (ii)A-B means 'Ais the wife of B' (iii) AxxB means 'A is the brother of B' (iv) A-:B means 'A is the daughter of B'.If A-C+B ,which of the following statements is true?

In Figure,which of the following statements must be true? a+b=d+c (i) a+c+e=180^(@)b+f=c+e(i) only (b) (ii) only (iii) only (d) (ii) and (ii) only

Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows. Use the Table above to answer the following questions about metals A, B, C and D. (i) Which is the most reactive metal? (ii) What would you observe if B is added to a solution of Copper (II) sulphate? (iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

In the given figure , lines m and n are not parallel and will intersect at some point to the right of the page Which of the following statements is / are true ? (I) c=e (II) b gt d (III) a=c

Plot each of the following points on a graph paper: (i) A(5, 2) (ii) B(-2, 4) (iii) C(-4, -6) (iv) D(4, -3)

AAKASH INSTITUTE-MAGNETISM AND MATTER -ASSIGNMENT (SECTION C)
  1. A compass needle which is allowed to move in a horizontal plane is tak...

    Text Solution

    |

  2. A magnetic needle suspended parallel to a magnetic field requires sqrt...

    Text Solution

    |

  3. There are four light-weight-rod sample A, B, C, D separately suspended...

    Text Solution

    |

  4. A short bar magnet of magnetic moment 0*4JT^-1 is placed in a uniform ...

    Text Solution

    |

  5. Electromagnets are made of soft iron because soft iron has

    Text Solution

    |

  6. A vibration magnetometer placed in magnetic meridian has a small bar m...

    Text Solution

    |

  7. A closely wound solenoid of 2000 turns and area of cross-section 1.5 x...

    Text Solution

    |

  8. The magnetic moment of a diamagnetic atom is

    Text Solution

    |

  9. A thin ring of radius R metre has charge q coulomb uniformly spread ...

    Text Solution

    |

  10. A bar magnet having a magnetic moment of 2 xx 10 ^(4) JT ^(-1) is free...

    Text Solution

    |

  11. If a diamagnetic substance is brought near the north or the south pole...

    Text Solution

    |

  12. Curie temperature is the temperature above which

    Text Solution

    |

  13. Nickel shows ferromagnetic property at room temperature. If the temper...

    Text Solution

    |

  14. Above curie temperature

    Text Solution

    |

  15. If the magnetic dipole of moment of an atom of diamagnetic material, p...

    Text Solution

    |

  16. A bar magnet having a magnetic moment of 2xx10^(4) JT^(-1) is free to ...

    Text Solution

    |

  17. A bar magnet of magnetic moment vec(M) is placed in a magnetic field o...

    Text Solution

    |

  18. Tangent galvanometer is used to measure

    Text Solution

    |

  19. The work done in turning a magnet of magnetic moment 'M' by an angle o...

    Text Solution

    |

  20. Due to the earth's magnetic field, charged cosmic ray particles

    Text Solution

    |