Home
Class 12
PHYSICS
The pitch of a screw gauge is 1 mm and t...

The pitch of a screw gauge is `1` mm and there are `100` division on its circular scale. When nothing is put in between its jaws, the zero of the circular scale lies `4` divisions below the reference line. When a steel wire is placed between the jaws, two main scale divisions are clearly visible and `67` divisions on the circular scale are observed. the diameter of the wire is

A

`2.71mm`

B

`2.67mm`

C

`2.63mm`

D

`2.65mm`

Text Solution

Verified by Experts

The correct Answer is:
C
`p=1mm,N=100`
Least count `C=P/N=(1mm)/100=0.01mm`
The instrument has a positive zero error
`e=+NC=+4xx0.01=0.04mm`
Main scale reading is `2xx(1mm)=2mm`
Circular scale reading is `67(0.01)=0.67mm`
`:.` observed reading is `R_(0)=2+0.67=2.67mm`
So true reading `=R_(0)-e=2.63mm`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    RESONANCE|Exercise FST-3|30 Videos

  • TRAVELLING WAVES

    RESONANCE|Exercise Exercise- 3 PART II|7 Videos

Similar Questions

Explore conceptually related problems

The pitch of a screw gauge is 1 mm and three are 100 divisions on its circular scale. When nothing is put in between its jaws, the zero of the circular scale lies 6 divisions below the reference line. When a wire a placed between the jaws, 2 linear scale divisions are clearly visible while 62 divisions on circular scale coincide with the reference line. Determine the diameter of the wire.

The pitch of the screw gauge is 1mm and there are 100 divisions on the circular scale. When nothing is put in between the jaws, the zero of the circular scale lies 8 divisions below the reference line. When a wire is placed between the jaws, the first linear scale division is clearly visible while 72^(nd) division on circular scale coincides with the reference line. The radius of the wire is

The pitch of a screw gauge having 50 divisions on its circular scale is 1 mm When the two jaws of the screw gauge are in contact with each other, the zero of the circular scale lies 6 divisions below the line of gradution. when a wire is placed between the jaws, 3 linear scale divisions are clearly visible while 31 division on the circular scale coincides with the reference line. Find diameter of the wire.

The pitch of a screw gauge is 0.5mm and there are 50 divisions on its circular scale and one main scale division =0.5 mm. Before starting the measurement it is found that when jaws of the screw gauge are brought in contact, the zero of the circular scale lies 4 division above the reference line. when a metallic wire is placed between the jaws, five main scale divisions are clearly visible and 18^(th) division on the circular scale coincides with the reference line. the diameter of the wire is

The pitch of a micrometer screw gauge is 1 mm and the circular scale has 100 divisions. When there is nothing between the jaws, the zero of the circular scale is 8 divisions below the main scale. When a wire is put between the jaws, the 1st division of main scale is visible and 72nd division of circular scale coincides with main scale. The radius of wire is?

The pitch of a screw gauge is 1 mm and there are 50 divisions on its cap. When nothing is put in between the studs, 44th division of the circular scale coincides with the refersence line zero of the main scale is not visible. When a glass plate is placed between the studs, the main scale reads three divisions and the circular scale reads 26 divisions. The thickness of the plate is (360+a)xx10^(-2) mm. Find 'a'.

The pitch of a screw-gauge having 50 divisions on its circular scale is 1mm . When the two jaws of the screw gauge are in contact with each other, 47^(th) division of circular scale is on the reference line. When a wire is placed between the jaws. 3 linear scale divisions are clearly visible while 31st division on the circular scale coincides with the refference line. Then

The pitch of a screw gauge is 1 mm and there are 100 "divisions" on circular scale. When faces A and B are just touching each without putting anything between the studs 32nd divisions of the circular scale (below its Zero) coincides with the reference line. When a glass plate is placed between the studs, the linear scale reads 4 divisions and the circular reads 16 divisions. Find the thickness of the glass plate. Zero of linnear scale is not hidden from circular scale when A and B touches each other.

The pitch of a screw gauge is 1 mm and there are 50 divisions on its cap. When nothing is put in between the studs, 44th divisions of the circular scale coincides with the reference line and the line and the zero of the main scale is not visible or zero of circular scale is lying above the reference line. When a glass plate is placed between the studs, the main scale reads three divisions and the circular scale reads thre divisions and the circular scale reads 26 divisions. Calculate the thickness of the plate.

RESONANCE-TEST SERIES-PHYSICS
  1. A resistance of 4 Omega and a wire of length 5 meters and resistance 5...

    Text Solution

    |

  2. A satellite is launched into a circular orbit of radius R around the e...

    Text Solution

    |

  3. The pitch of a screw gauge is 1 mm and there are 100 division on its c...

    Text Solution

    |

  4. A copper rod and a steel rod of equal cross -sections and lengths (L) ...

    Text Solution

    |

  5. The left plate of the capacitor shown in the figure above carries a ch...

    Text Solution

    |

  6. A ray of light falls normally on one face of a right angled prims of r...

    Text Solution

    |

  7. A particle is moved inx-y plane form (a,0) to (0,a) along circular arc...

    Text Solution

    |

  8. In the given situation, for what value of i, the incidence ray will re...

    Text Solution

    |

  9. A circuit is shown below. If A is an ideal ammeter, B an ideal Ba...

    Text Solution

    |

  10. In the circuit, V is potential differences across the terminal as shwo...

    Text Solution

    |

  11. Find the ratio of charges on 5muF and 10muF capacitor when circuit is ...

    Text Solution

    |

  12. There exist magnetic field vec(B)=yhat(i)-xhat(j) in space. What is cu...

    Text Solution

    |

  13. Four metallic plates are sued to form two identical parallel plate cap...

    Text Solution

    |

  14. There exist uniform magnetic field vec(B)=5T(-hat(j)) from x=0 to x=2m...

    Text Solution

    |

  15. A man of height h is walking at constant speed v(0) along edge of a st...

    Text Solution

    |

  16. Current P through a certain non-metallic rod is given as i(0)=0.2V^((3...

    Text Solution

    |

  17. A drum and its braking system are shown in figure. The drum of radius ...

    Text Solution

    |

  18. A massless stick of length L is hinged at one end and a mass m attache...

    Text Solution

    |

  19. Seven identical disc are arranged in a hexagonal, planar pattern so as...

    Text Solution

    |

  20. The total energy radiated from a block body source at constant tempera...

    Text Solution

    |