1. R.D. = Mass of substance / Volume of equal volume of water

    R.D. = Mass of substance / Volume of equal volume of water

    See less
    • 13
  2. The smallest reading that can be accurately measured by an instrument is called its least count.

    The smallest reading that can be accurately measured by an instrument is called its least count.

    See less
    • 12
  3. When a body is suspended from a vertical spring it produces extension in the length of the spring which is proportional to its weight.

    When a body is suspended from a vertical spring it produces extension in the length of the spring which is proportional to its weight.

    See less
    • 11