Home
Class 12
PHYSICS
A : Higher is the accuracy of measuremen...

A : Higher is the accuracy of measurement, if instrument have smaller least count.
R : Smaller the percentage error, higher is the accuracy of measurement.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -2|56 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -3|66 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -1 A|187 Videos

  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise PRACTICE EXERCISE|45 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET ADVANCED (INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

Zero errors of measuring instruments are called

Which of the following measuring instruments have largest least count ?

The diameter of a sphere is measured as 1.71 cm using an instrument with a least count 0.01 cm What is the percentage error in its surface area?

The least count of a vernier callipers is 0.01 cm. Then, the error in the measurement is

Accuracy in measurement is necessary while preparing medicines.

If X = a + b , the maximum percentage error in the measurement of X will be

If Y=a+b , the maximum percentage error in the measurement of Y will be

The length of a cylinder is measured as 5 cm using a vernier calipers of least count 0.1 mm. The percentage error is

If Y=a-b , then maximum percentage error in the measurement of Y will be

The diameter of a wire is measured as 0.25 cm using a screw gauge of least count 0.005 cm. The percentage error is

AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE- 1 B
  1. A : A unitless physical quantity must be dimensionless. R : A pure n...

    Text Solution

    |

  2. A : Absolut error is unitless and dimensionless. R : All type of err...

    Text Solution

    |

  3. A : Higher is the accuracy of measurement, if instrument have smaller ...

    Text Solution

    |

  4. A : The maximum possible error in a reading is taken as least count of...

    Text Solution

    |

  5. A : In a measurement, two readings obtained are 20.004 and 20.0004. Th...

    Text Solution

    |

  6. A : Out of the measurements A = 20.00 and B = 20.000, B is more accura...

    Text Solution

    |

  7. A : All physically correct equations are dimensionally correct. R : ...

    Text Solution

    |

  8. A : Physical relations involving addition and subtraction cannot be de...

    Text Solution

    |

  9. A : An exact number has infinite number of significant digits. R : A...

    Text Solution

    |

  10. A : A dimensionless quantity may have unit. R : Two physical quantit...

    Text Solution

    |

  11. If Q=(x^n)/(y^m) and Deltax, Deltay are absolute errors in the measure...

    Text Solution

    |

  12. State true or false: A point has no dimensions.

    Text Solution

    |

  13. Ampere second is a unit of

    Text Solution

    |

  14. (A): The distance of a star from earth can be measured by parallax met...

    Text Solution

    |

  15. A unitless quantity

    Text Solution

    |

  16. A more accurate measure of biomass will be in terms of

    Text Solution

    |

  17. (A): Systametic errors are due to a definite cause and can be minimise...

    Text Solution

    |

  18. Statement-I : When an algebraic equation has been derived, it is advis...

    Text Solution

    |

  19. (A): The order of accuracy of a measurement depends on the least count...

    Text Solution

    |

  20. (A): The method of dimensions cannot be used to obtain the dependence ...

    Text Solution

    |