Home
Class 12
PHYSICS
In an experiment the height of a small o...

In an experiment the height of a small object is measured by a Vernier Calliper having least count 0.01 cm is found to be 7.38 cm, then the actual height of object may be :-

A

7.40 cm

B

7.3942 cm

C

7.3792 cm

D

7.3882 cm

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (KINEMATICS)|63 Videos

  • RACE

    ALLEN |Exercise Basic Maths (NEWTONS LAWS OF MOTION)|49 Videos

  • RACE

    ALLEN |Exercise Basic Maths (VECTORS)|62 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

In searle's experiment, the diameter of the wire, as measured by a screw gauge of least count 0.001 cm is 0.500 cm. The length, measured by a scale of least count 0.1cm is 110.0cm. When a weight of 40N is suspended from the wire, its extension is measured to be 0.125 cm by a micrometer of least count 0.001 cm. Find the Young's modulus of the meterial of the wire from this data.

The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with vernier calipers having least count 0.01 cm. Given that length is 5.0 cm. and radius is 2.0 cm. The percentage error in the calculated value of the volume will be

The length of a cylinder is measured with a meter rod having least count 0.1 cm . Its diameter is measured with Vernier calipers having least count 0.01 cm . Given that length is 5.0 cm and radius is 2 cm . Find the percentage error in the calculated value of the volume.

The diameter of a wire is measured with a screw gauge having least count 0.01 mm . Out of the following the one which correctly expresses its diameter is

The diameter of a cylinder is measured using a vernier callipers with no zero error . It is found that the zero of the vernier scale lies between 5.10 and 5.15 cm of the main scale .the vernier scale has 50 division equivalent to 2.45 cm . The 24 th division of the vernier scale exactly coincides with one of the main scale divisions . The diameter of the cylinder is

The internal and external diameters of a hollow cylinder are measured with the help of a Vernier callipers . Their values are 4.23 +- 0.01 cm and 3.87 +- 0.01 cm , respectively . The thickness of the wall of the cylinder is

A student measured the diameter of a wire using a screw gauge with least count 0.001cm and listed the measurement. The correct measurement is

The periodic time of simple pendulum is T=2pi sqrt((l)/(g)) . The length (l) of the pendulum is about 100 cm measured with 1mm accuracy. The periodic time is about 2s. When 100 oscillations are measured by a stop watch having the least count 0.1 second. Calcaulte the percentage error in measurement of g.

A steel tape 1 m long is correctly calibrated for a temperature of 27.0^(@)C . The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is 45.0^(@)C . What is the actual length of the steel rod on that day ? What is the length of the same steel rod on a day when the temperature is 27.0^(@)C ? Coefficient of linear expansion of steel =1.20xx10^(-5)K^(-1) .

A convex lens forms an image of an object on a screen. The height of the image is 9 cm . The lens is now displaced until an image is again obtained on the screen. Then height of this image is 4 cm . The distance between the object and the screen is 90 cm.

ALLEN -RACE-Basic Maths (Units, Dimensions & Measurements)
  1. Which of the following specification is most accurate ?

    Text Solution

    |

  2. Let a,x,b be in A.P, a,y,b be in G.P and a,z,b be in H.P. If x=y+2 and...

    Text Solution

    |

  3. In an experiment the height of a small object is measured by a Vernier...

    Text Solution

    |

  4. Two resistance are measured in ohm and is given as:- R(1)=3Omega+-1%...

    Text Solution

    |

  5. The percentage error in measurement of a physical quantity [m given by...

    Text Solution

    |

  6. The number of significant digits in 0.001001 is :-

    Text Solution

    |

  7. The sides of a rectangle are (10.5 +- 0.2) cm and ( 5.2 +- 0.1 ) cm. C...

    Text Solution

    |

  8. The Young modulus (Y) of a material is given by Y=(WL)/(pir^(2)l). If ...

    Text Solution

    |

  9. Which of the following measurement is most precise?

    Text Solution

    |

  10. total no of significant digits in 0.00202040 is

    Text Solution

    |

  11. In a vernier calliper, N divisions of vernier scale coincide with (N-1...

    Text Solution

    |

  12. If vecA=hati+hatj-hatk and vecB=-hati+3hatj+4hatk then projection of v...

    Text Solution

    |

  13. which of the following has maximum significant digits?

    Text Solution

    |

  14. which is most accurate measurement for the value 1.20?

    Text Solution

    |

  15. which of the following is most precise value of 5.150 cm

    Text Solution

    |

  16. Two full turns of the circular scale of gauge cover a distance of 1 mm...

    Text Solution

    |

  17. The circular scale of a micrometer has 200 divisions and pitch of 2 mm...

    Text Solution

    |

  18. The vernier of a circular scale is divided into 30 divisions which coi...

    Text Solution

    |

  19. A good analogy for understanding accuracy and precision is to imagine ...

    Text Solution

    |

  20. Suppose, you are to take the measurements of the mass of a 50.0-gram s...

    Text Solution

    |