11th Class Physics Physical World / भौतिक जगत Question Bank 11th CBSE Physics Mathematical Tools, Units & Dimensions

  • question_answer
    Why is the cylinder used in defining kg made of platinum indium alloy?

    Answer:

    This is because platinum indium alloy is affected least by the changing conditions of temperature, pressure etc.                


You need to login to perform this action.
You will be redirected in 3 sec spinner