Home
Class 11
PHYSICS
Two differences masses are determined as...

Two differences masses are determined as `(23.7pm0.5)` g and `(17.6pm0.3)g`. What is the sum of their masses?

Promotional Banner

Topper's Solved these Questions

  • Units and Measurements

    SL ARORA|Exercise Exercise|499 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • VECTORS

    SL ARORA|Exercise Problems For Self Practice|56 Videos

Similar Questions

Explore conceptually related problems

The initial and final temperatures of a water bath are (18pm0.5).^(@)C and (40pm0.3).^(@)C . What is the rise in temperature of the path

In a simple pendulum l=(100.0pm0.5) cm and t=(2.00pm0.01) sec. What is the percentage error in g?

There is no difference in writing mass of an object as 7.00 g or 7.0 g

Two rods have lengths measured as (1.8 pm 0.2) m and (2.3 pm 0.1) m. Calculate their combined length with error limits.

The mass of a box measured by a grocer's balance is 2.3 kg. Two gold pieces of masses 20.15 g and 20.17g are added to the box. What is (a) total mass of the box (b) the difference in masses of gold pieces to correct significant figures.

Two student X and Y report the mass of the same substance as 7.0 g and 7.00 g respectively. Which of the following statement is correct?

Foci are (pm 3,0) " and vertices " (pm 5,0)

The formula of an acid is HXO_2 . The mass of 0.0242 g of the acid is 1.657g . What is the atomic mass of X ?

SL ARORA-Units and Measurements-Exercise
  1. Two differences masses are determined as (23.7pm0.5) g and (17.6pm0.3)...

    Text Solution

    |

  2. Calculate the number of astronomical units in one metre.

    Text Solution

    |

  3. How many parsec are ther in one metre?

    Text Solution

    |

  4. How many metre are there in a light year?

    Text Solution

    |

  5. The density of air is 1.293 kg /m^3. Express it in cgs units.

    Text Solution

    |

  6. Express an acceleration of 10ms^(-2) in km h^(-2)

    Text Solution

    |

  7. If a mass of a proton is 1.67xx10^(-27)kg, how many protons will be pr...

    Text Solution

    |

  8. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  9. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  10. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  11. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  12. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  13. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  14. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  15. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  16. What is one astronomical unit ? Express it in metres . Write its or...

    Text Solution

    |

  17. What is the order of magnitude of second in a day ?

    Text Solution

    |

  18. In a submarine fitted with a SONAR, the time between the genretaion of...

    Text Solution

    |

  19. A radar signal is beamed towards a planet and its echo is recived 7 mi...

    Text Solution

    |

  20. A rock under water is 1595 m deep. Find the time in which an ultrasoni...

    Text Solution

    |

  21. The angle of elevation of the top of a hill is 30^(@) from a point on ...

    Text Solution

    |