Question

While performing the experiment of Archimedes' Principle Rama took a glass stopper of 10 cubic cm volume and observed its weight in air as 40 gwt using a spring balance. Then,she immersed the glass stopper completely in tap water. The glass stopper would weigh
a )30 gwt
b) 40 gwt
​c) 50 gwt
​d) 20 gwt

Answer 1

Loss of weight = Weight of water displaced by glass stopper volume
= 10 cm^3 x 1 g/cc
=10 g wt
Weight of stopper in water = 40 - 10 = 30 g wt