Home
Class 12
PHYSICS
A steel scale is to be prepared such tha...

A steel scale is to be prepared such that the millimeter intervals are to be accurate within `6 xx10^(-5)mm`. The maximum temperature variation form the temperature of calibration during the reading of the millimeter marks is `(alpha = 12 xx 10^(-6)//"^(@)C)`

A

`4.0""^(@)C`

B

`4.5""^(@)C`

C

`5.0""^(@)C`

D

`5.5""^(@)C`.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 10

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NEET MOCK TEST 12

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

It is required to prepare a steel metre scale, such that the millimetre intervals are to be ac curate within 0.0005 mm at a certain temperature. Determine the maximum temperature variation allowable during the rulling of millimetre marks. Given, alpha for steel =1.322xx10^(-5) .^(@)C^(-1)

A steel metre scale is to be ruled so that the millimetre intervals are accurate to within about 5 xx 10^(-5) mm at a certain temperature. What is the maximum temperature variation allowable during the rulting ? Given alpha for steel = 1.1 xx 10^(-5).^(@)C^(-1) .

A steel metere scale isto be ruled so that the millimetre intervals are accurate within about 5xx10^(-5)mm at a certain temperature. What is the maximum temperature variation allowable during the ruling? ( alpha for steel =11xx10^(-6).^(@)C^(-1) )

A steel meter scale is to be ruled so that millimeter intervals are accurate within about 5xx10^(-5) mm at a certain temperature. The maximum temperature variation allowable during the ruling is (Coefficient of linear expansion of steel =10xx10^(-6)K^(-1) )

A steel taps is calibrated at 20^(0)C . When the temperature of the day is -10^(0)C , the percentage error in the measurement with the tap is (alpha = 12 xx 10^(-6 //0)C)

A steel scale measures the length of a copper wire as 80.0 cm when both area at 20^(@)C (the calibration temperature for scale). What would be the scale read for the length of the wire when both are at 40^(@)C ? (Given alpha_("steel") = 11 xx 10^(-6) per ^(@)C and alpha_("copper") = 17 xx 10^(-6) per^(@)C )

A rod has been laid by using alternate rails of steel and aluminium each 12m long in a winter season when temperature is .-2^(@)C . The maximum temprature which can must be left be-tween advance rules of they are just to touch on a summer day (alpha_("steel") = 1.2 xx 10^(-5) ^(0)C^(-1) alpha_(Al) = 2.4 xx 10^(-5) ^(0)C^(-1)

Two stars radiate maximum energy at wavelengths 3.6xx10^(-5)cm and 4.8xx10^(-5)cm respectively. The ratio of their temperature is

A steel wire 2 mm is diameter is just stretched between two fixed points at a temperature of 20^(@)C . If the temperature falls to 10^(@)C , then the tension in the wire is (Coefficient of linear expansion of steel (alpha) is 11xx10^(-6)//""^(@)C and Y_(s)=2.1xx10^(11)N//m^(2) )

NTA MOCK TESTS-NEET MOCK TEST 11-PHYSICS
  1. ""(92)"U"^(235) undergoes successive disintegrations with the end prod...

    Text Solution

    |

  2. A pendulum is executing simple harmonic motion and its maximum kinet...

    Text Solution

    |

  3. A radio transmitter operates at a frequency of 880 kHz and a power of ...

    Text Solution

    |

  4. Let K(1) be the maximum kinetic energy of photoelectrons emitted by a ...

    Text Solution

    |

  5. P is the atmospheric pressure and the pressure at the bottom of a tank...

    Text Solution

    |

  6. One end of a horizontal thick copper wire of length 2L and radius 2R ...

    Text Solution

    |

  7. AB and CD are surfaces ot two slabs as shown in Figure . The medium be...

    Text Solution

    |

  8. The given lens is broken into four parts rearranged as shown. If the i...

    Text Solution

    |

  9. Two discs A and B are in contact and rotating with angular velocity wi...

    Text Solution

    |

  10. A ring of radius R rolls without slipping on a rough horizontal surfac...

    Text Solution

    |

  11. The circuit is equivalent to

    Text Solution

    |

  12. Consider the junction diode as ideal. The value of current flowing thr...

    Text Solution

    |

  13. A steel scale is to be prepared such that the millimeter intervals are...

    Text Solution

    |

  14. When a bimetallic strip is heated, it

    Text Solution

    |

  15. The internal and external diameters of a hollow cylinder are measured ...

    Text Solution

    |

  16. In a Young's double slit experiment, I0 is the intensity at the centra...

    Text Solution

    |

  17. In Young's double experiment , in air interference pattern second ...

    Text Solution

    |

  18. x(1)=12sin(484pit-7pix) and x(2)=12sin(480pit-7pix) represent the equa...

    Text Solution

    |

  19. If the bulk modulus of water is 2100 M Pa, what is the speed of sound ...

    Text Solution

    |

  20. A simple pendulum is released from A as shown. If m and 1 represent th...

    Text Solution

    |