Home
Class 12
PHYSICS
One digital watch 'A' was showing 1 : 12...

One digital watch 'A' was showing 1 : 12 : 32 and an old clock 'B', not having seconds hand was showing 1: 10, at the moment actual time was 1: 10 : 15

A

A is more precise but less accurate than B

B

A is less precise but more accurate than B

C

A is both more accurate and precise

D

B is both more accurate and precise

Text Solution

Verified by Experts

The correct Answer is:
A

Watch. A. has more significant digit than watch .B. so it is more precise.
Promotional Banner

Topper's Solved these Questions

  • NTA TPC JEE MAIN TEST 79

    NTA MOCK TESTS|Exercise PHYSICS |30 Videos
  • NTA TPC JEE MAIN TEST 84

    NTA MOCK TESTS|Exercise PHYSICS |30 Videos

Similar Questions

Explore conceptually related problems

The length of a seconds hand in watch is 1 cm. The change in velocity of its tip in 15 s is

Show that 1J = 10^7 erg

At what time between 10 and 11 o' Clock will the hands of a watch coincide?

Calculate the speed of the tip of second's hand of a watch of length 1.5 cm .

" The angular velocity of second's hand in a wall clock is: in rads"^(-1)

The angular of the second hand of a watch is 1 cm . What is the velocity of a geostationary satellite is

The angle between the two hands of a clock is 30^(@) , when the hour hand is between 5 and 6. What time does the watch show ?

The length of second's hand in watch is 1 cm . The change in Velocity of its tip in 15 seconds is

NTA MOCK TESTS-NTA TPC JEE MAIN TEST 80-PHYSICS
  1. An infinitely long current carrying wire carries current i. A charge o...

    Text Solution

    |

  2. A fighter plane moving in a vertical loop of radius R with constant sp...

    Text Solution

    |

  3. One digital watch 'A' was showing 1 : 12 : 32 and an old clock 'B', no...

    Text Solution

    |

  4. The surface tension and vapor pressure of water at 20^(@)C is 7.28 xx ...

    Text Solution

    |

  5. Moment of inertia of a uniform rod of mass m and length l is (7)/(12)m...

    Text Solution

    |

  6. A system consists of an ice cube placed in a cup of water. The system ...

    Text Solution

    |

  7. A diatomic ideal gas is compressed adiabatically to 1/32 of its initia...

    Text Solution

    |

  8. The diagram below shows two identical filament lamps separated by a sm...

    Text Solution

    |

  9. A particle is moving in a force field given by F = y^2 hati - x^2hatj....

    Text Solution

    |

  10. When monochromatic radiation of intensity I falls on a metal surface, ...

    Text Solution

    |

  11. A transformer is used to light a 200 W and 110 V lamp from a 220 V mai...

    Text Solution

    |

  12. A wheel is rotating about an axis through its centre at 720 rp...

    Text Solution

    |

  13. If the wavelength of photon emitted due to transition of electron from...

    Text Solution

    |

  14. A uniform ring of mass 2m and radius a is placed directly above the un...

    Text Solution

    |

  15. The focal length of a convex lens is 15 cm, and an object initially pl...

    Text Solution

    |

  16. Assume that an electric field vecE=30x^2hatj exists in space. Then the...

    Text Solution

    |

  17. The sum of two forces vecP and vecQ is vecR such that |vecR|=|vecP|. T...

    Text Solution

    |

  18. A car of mass 1500kg is moving with a speed of 12.5ms^(-1) on a circul...

    Text Solution

    |

  19. A magnet having time period 2 oscillations/s at a place having magneti...

    Text Solution

    |

  20. A transverse wave is travelling on a string and is governed by the equ...

    Text Solution

    |