Home
Class 11
PHYSICS
When Energy is expressed in erg the no o...

When Energy is expressed in `erg` the no of significant figure is four. If it is expressed in joule the no of significant figures will become

A

`9`

B

`5`

C

`1`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise LEVEL-II (H.W)|20 Videos

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise ILLUSTRATION|49 Videos

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise More than One Answer Questions|9 Videos

  • TRANSMISSION OF HEAT

    NARAYNA|Exercise LEVEL-II(C.W)|27 Videos

  • VECTORS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

Similar Questions

Explore conceptually related problems

When a force is expressed in dyne, the number of sinificant figures is four. If it is expressed in newton, the number of significant figures will become (10^(5) "dyne" = 1N)

Define significant figures.

The no. of significant figures 1.0001 are

The number of significant figures in pi are

The number of significant figures in 3400 is

If the significant figures are more,

The number of significant figures in 45056 is

NARAYNA-UNITS AND MEASUREMENTS-LEVEL-I (H.W)
  1. The number of singnificant figures in 0.0006032 is

    Text Solution

    |

  2. The radius of disc is 1.2cm its area according to idea of significant ...

    Text Solution

    |

  3. When Energy is expressed in erg the no of significant figure is four. ...

    Text Solution

    |

  4. sqrt(58.97) is

    Text Solution

    |

  5. A stick has a length of 12.132cm and an other stick has a length of 12...

    Text Solution

    |

  6. The respective number of signficant figures for the numbers 23.023, 0...

    Text Solution

    |

  7. The number of significiant figures in 5.69 xx 10^(15) kg is

    Text Solution

    |

  8. The value of 124.2 + 52.487 with due regard to significant places is....

    Text Solution

    |

  9. The value fo (9.270)/(41) with due regard to significant figures is.....

    Text Solution

    |

  10. When 57.986 is rounded off to 4 significant figures, then it becomes....

    Text Solution

    |

  11. If 'L' is length of sample pendulum and 'g' is acceleration due to gra...

    Text Solution

    |

  12. The demensional formula for the product of two physical quantites P an...

    Text Solution

    |

  13. The fundamental physical quantites that have same dimesions in the di...

    Text Solution

    |

  14. The eta is rigidity modulus, r is the radius , l is the length and C ...

    Text Solution

    |

  15. The acceleration of an object vareis with time as a = AT^(2) + BT + C ...

    Text Solution

    |

  16. If eta = (A)/(B) log (Bx + C) is dimensionally true, then (here eta is...

    Text Solution

    |

  17. If the velocity (v) of a body in time 't' is given by V = AT^(3) + BT^...

    Text Solution

    |

  18. In the relation V = ( pi)/( 8) ( P r^(4))/( nl) , where the letters ha...

    Text Solution

    |

  19. If the acceleration due to gravity is 10ms^(-2) and unit of length and...

    Text Solution

    |

  20. The magnitude of Energy is 100J What will be its value if the units o...

    Text Solution

    |