Home
Class 11
PHYSICS
Assertion: Very large distances such as ...

Assertion: Very large distances such as distance of a planet or star can be measured by parallax method.
Reason: For measuring small masses of atomic/ sub-atomic particles, mass spectrograph is used.

Text Solution

Verified by Experts

The correct Answer is:
b
NA
Promotional Banner

Topper's Solved these Questions

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    SURA PUBLICATION|Exercise CONCEPTUAL QUESTIONS|5 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

  • OSCILLATIONS

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

The range of distance can be measured by the direct method is………….

Which devices is used for measuring the mass of atoms/

Name the instrument to measure sub- atomic particles.

Which units are used to measure laerge distance i.e. distance of planets and stars? Which method is used for measurement?

The mass of an atom in measured in ______.

The mass of an atom is measured in ________.

Define the term osmotic pressure. Describe how the molecular mass of a substance can be determined by a method based on measurement of osmotic pressure ?

Where do we use indirect methods to measure distance ?

SURA PUBLICATION-NATURE OF PHYSICAL WORLD AND MEASUREMENT-ADDITIONAL QUESTIONS
  1. Assertion: In centimeter the spelling meter is internationally accepte...

    Text Solution

    |

  2. Assertion: Mass due to rotational motion is moment of Inertia. Reaso...

    Text Solution

    |

  3. Assertion: Very large distances such as distance of a planet or star c...

    Text Solution

    |

  4. Assertion: The least value that can be measured using screw gauges, ve...

    Text Solution

    |

  5. Assertion: The rounding off of 27.653 upto 3 digits is 27.7 Reason: ...

    Text Solution

    |

  6. Assertion: Dimensional analysis method is used to convert a physical q...

    Text Solution

    |

  7. (I) RADAR method is used for measurement of length in the case of long...

    Text Solution

    |

  8. (I)G(CGS)=6.6x10^(-8) dyne Cm^(2)g^(-2) (II) T=2 pisqrt(g/l) Which...

    Text Solution

    |

  9. (I) Expression for charge is current/time (II) Expression for Farada...

    Text Solution

    |

  10. (I)Force constant and Faraday constant are examples for Dimensional co...

    Text Solution

    |

  11. (I) The ratio of mean absolute error to the mean value is called fract...

    Text Solution

    |

  12. (I)Distance of moon from earth is 10^(11)m (II) Mass of a cell is 1...

    Text Solution

    |

  13. (I) Least count of screw gauge is 0.01 mm (II) Least count of vernie...

    Text Solution

    |

  14. (I)Parallax angle theta=("Unknown distance"(x))/("base"(b)) (II) Dis...

    Text Solution

    |

  15. (I)Frequency and angular velocity has same dimensional formula (II) ...

    Text Solution

    |

  16. Check the dimensional correctness for the given equation. (a) v=u+at ...

    Text Solution

    |

  17. Roudn off to required significant figures. a. 3.1+1.780+2.046 b. 12....

    Text Solution

    |

  18. What are random errors? How to minimise it?

    Text Solution

    |

  19. Write down the number of significant figures in the following (i) 0.00...

    Text Solution

    |

  20. What are the advantages of SI system?

    Text Solution

    |