Home
Class 11
PHYSICS
The least count of a stop watch is 1/5 s...

The least count of a stop watch is 1/5 sec. The time of 20 oscillations of a pendulum is measured to be 25 sec. The maximum percentage error in this measurement is

A

`8%`

B

`1%`

C

`0.8%`

D

`16%`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) LECTURE SHEET (ADVANCED)|15 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED))|14 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - IV) LEVEL - II|9 Videos

  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise Practice Exercise|45 Videos

  • VECTORS

    AAKASH SERIES|Exercise Additional Practice Exercise (Practice Sheet (Advanced)) (Integer Type Questions)|6 Videos

Similar Questions

Explore conceptually related problems

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

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

If Y=a xx b , the maximum percentager error in the measurement of Y will be

If x = a/b , then the maximum percentage error in the measurement of 'x' will be

If the length of a cylinder is measured to be 50 cm with an error of 0.25 cm. The percentage error in the measured length is

Three measurements of the time for 20 oscillations of a pendulum give t_1 = 39.6s, t_2 39.9s and t_3 = 39.5s . The precision in the measurement is

AAKASH SERIES-UNITS AND MEASUREMENTS -ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN))
  1. [("Permeability")/("Permittivity")] will have the dimensions of

    Text Solution

    |

  2. The dimensions of resistivity in terms of M, L, T and Q, where Q stand...

    Text Solution

    |

  3. The least count of a stop watch is 1/5 sec. The time of 20 oscillation...

    Text Solution

    |

  4. The number of significant figures in 6.023xx10^(23)"mole"^(-1) is

    Text Solution

    |

  5. Which of the followinf units denotes the dimensions of ML^(2)//Q^(2), ...

    Text Solution

    |

  6. If M is the magnetic moment, mu is the magnetic permeability and H is ...

    Text Solution

    |

  7. If h is the Planck's constant, m = mass of the electron, e = charge of...

    Text Solution

    |

  8. The expression (me^(4))/(8epsilon(0)^(2)h(c )^(3)) has the dimensions ...

    Text Solution

    |

  9. A physical quantity 'P' is given by P = in0L(DeltaV )/(Deltat), where...

    Text Solution

    |

  10. The result after adding 3.8xx10^(-6) to 4.2xx10^(-5) with due regard t...

    Text Solution

    |

  11. Subtract 0.2 from 7.26 and express the result with correct number of s...

    Text Solution

    |

  12. The length , breadth and thickness of a rectangular sheet of metal are...

    Text Solution

    |

  13. The random error which exists invariably in screw gause

    Text Solution

    |

  14. 1 cm on the main scale of a vernier callipers if divided into 10 equal...

    Text Solution

    |

  15. Which of the following measuring instruments have largest least count ...

    Text Solution

    |

  16. The pitch of a screw gauge is 0.5 mm. It's head scale contains 50 divi...

    Text Solution

    |

  17. Which of the following is the most precise divice for measuring length

    Text Solution

    |

  18. Give, potential difference V = (8 + 0.5) V and current I = (2 + 0.2) A...

    Text Solution

    |

  19. The least count of a veriner callipers is (1)/(100)cm. The value of on...

    Text Solution

    |

  20. The diameter of a cylinder is measured using a vernier callipers with ...

    Text Solution

    |