Question

A student wishes to find the volume of a small, irregularly-shaped stone. A ruler anda
measuring cylinder containing some water are available. Which apparatus is needed
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Answer 1

Answer.

Only measuring cylinder is needed.

Since the stone is irregularly shaped so, there is no need of ruler for finding the volume .

The measuring cylinder has some water in it. So, first measure the reading of cylinder having only water in it. (x 1 )

Now put the stone in it, there will be rise in level of water . Measure the reading of water. (x 2 )

Therefore the rise in water level is due to stone . So, the volume of stone is equal to the rise in level of water. i.e. (x 2)−(x 1)